Index of sexology articles

This is a list of topics related to sexology, human sexuality and marriage customs, and related topics such as human sexual anatomy, reproductive biology, andrology, gynaecology, obstetrics and, where relevant, anthropology. Note that this list includes many synonyms, for example English, Latin and slang terms for the same thing -- this is intentional, please do not remove these.

#
45,X -- 46,XX -- 46,XY -- 47,XXX -- 47,XXY -- 47,XYY --

A
A2M -- A2OGM -- abasiophilia -- abduction -- aberration -- abortifacient -- abortion -- abrasion (BDSM) -- abruptio placentae -- abstinence -- abstinence movement -- acault -- acceptive phase -- acmegenesis -- acomoclitism -- acousticophilia -- acquaintance rape -- acrophilia -- acrosomal reaction -- acrosome -- acrotomophilia -- act of union -- ACTH -- acupressure -- Adam principle -- Adam's apple -- Adam/Eve principle -- addiction -- adelphogamy -- adolescence -- adolescent gynecomastia -- adolescentilism -- adrenal cortex -- adrenal gland -- adrenocortical hormone -- adrenogenital syndrome -- adultery -- adulthood -- affinity (canon law) -- afterbirth -- aftershock (sexual) -- aftershocks (sexual) -- agalmatophilia -- agape -- age disparity in sexual relationships -- age of consent -- age-avoidancy -- agonistic -- agonophilia -- agony aunt -- agoraphilia -- agrexophilia -- AIDS -- AIDS test -- albutophilia -- algolagnia -- algophilia -- alimony -- alley catting -- allorgasmia -- allosex-aviodancy -- allure -- altocalciphilia -- amaurophilia -- ambiguous genitalia -- ambilocal residence -- ambisexual -- ambisexuality -- ambitypic -- ambivalent -- amelotasis -- amelotatist -- amenorrhea -- amenorrhoea -- American College of Obstetricians and Gynecologists -- amoebiasis -- amomaxia -- amor lesbicus -- ampallang piercing -- ampulla -- amputation fetish -- amputee fetishism -- amputees -- amygdala -- anabolic steroid -- anaclitism -- anal beads -- anal bleaching -- anal cancer -- anal contraction -- anal insert -- anal intercourse -- anal jewelry -- anal masturbation -- anal orgasm -- anal sex -- anal sphincter -- anal stage -- anal stretching -- anal wart -- anal wink -- analinctus -- analingus -- analism -- Ananga Ranga -- anasteemaphilia -- anasyrma -- anatomy -- Androcur -- androgen -- androgen antagonist -- androgen insensitivity syndrome -- androgen replacement therapy -- androgen-induced hermaphroditism -- androgyne -- androgynophilia -- androgynous -- androgyny -- androidism -- andrology -- andrology -- andromania -- Andromeda -- andromimesis -- andromimetic -- andromimetophilia -- androphilia -- androstenedione -- androstenone -- anejaculation -- anerotic -- anhedonia -- anililagnia -- anilinctus -- anilingus -- animal transformation fantasy -- anisonogamist -- anocutaneous reflex -- anonymous sex -- anorexia nervosa -- anorgasmia -- anorgasmic -- anovulation -- anovulatory -- antaphrodisiac -- anthropology -- anthropomorphic cartoons -- anthropomorphism -- anthropophagy -- antiandrogen -- anticipatory sororate -- anus -- apadravya piercing -- apartment wrestling -- aphrodisiac -- apodysophilia -- aposthia -- apotemnophilia -- aquaphilia -- arab strap (sexual device) -- arborphilia -- Areoi -- areola -- areola mammae -- arranged marriage -- Ars Amatoria -- artificial birth control -- artificial insemination -- artificial insemination by donor -- artificial vagina -- asceticism -- asexual -- asexuality -- aspermia -- asphyxiaphilia -- asphyxiophilia -- ass to mouth -- assortative mating -- Astroglide -- atonement -- atypical gender role -- auctions -- autagonistophilia -- autassassinophilia -- autistic -- auto-erotic performance -- autoabasiophilia -- autoagonistophilia -- autoassassinophilia -- autocunnilingus -- autoerotic -- autoerotic asphyxia -- autoerotic death -- autoerotic fatalities -- autoerotica -- autoeroticism -- autofellatio -- autoflagellation -- autogynephilia -- automasochism -- automutilation -- autonepiophilia -- autonomic nervous system -- autopederasty -- autophagy -- autophilia -- autosadism -- autosexuality -- aversion therapy -- avisodomy -- avunculocal residence -- axillary intercourse -- axillism -- axon -- azoospermia --

B
bacchá -- backdoor entrance -- backroom -- bacterial vaginosis -- badger game -- balanitis -- balanopreputial sulcus -- ball dancing -- ball gag -- balloon fetishism -- barebacking -- barfine -- Barr body -- barrier method -- Bartholin's abscess -- Bartholin's cyst -- Bartholin's gland -- basal temperature -- basoexia -- bastard -- bastardy -- bath house -- BDSM -- bear community -- beard (female companion) -- bee stings (sexology) -- behavioral imprinting -- bell dancing -- belly dancing -- belonephilia -- benign prostatic hyperplasia -- berdache -- Berkley Horse -- Theresa Berkley -- bestiality -- beta-lipotropin -- betrothal -- bi-curious -- bi-sexualism -- bi-sexuality -- biastophilia -- bidet -- bigamist -- bigamy -- Billings ovulation method -- bindings (sexology) -- biogenic amine -- biorhythm -- bipara -- biparous -- birth control -- bisexuality -- bit gag -- biting (sexology) -- Ray Blanchard -- blended orgasm -- blindfold -- blindfolding (sexology) -- Iwan Bloch -- blood fetish -- blood sport (BDSM) -- blood test -- blow job -- blow-job -- blue balls -- body dysmorphic disorder -- body fluid -- body hair -- body image fixation -- body integrity identity disorder -- body modification -- body painting -- body piercing -- body worship -- bondage -- bondage and discipline -- bondage harness -- bondage hood -- bonobo -- bordello -- borderline self-mutilator -- Borg -- Ernest Borneman -- bottom -- bottom (BDSM) -- bottom (sex) -- boyfriend -- bra -- brachio-rectal sex -- brachioproctic eroticism -- brachiovaginal eroticism -- bradycubia -- branding persons -- brassiere -- breakthrough bleeding -- breast -- breast cancer -- breast implant -- breast shaping -- breath control play -- breech birth -- breeder (slang) -- Brenner tumour -- bride -- bride kidnapping -- bride price -- bridegroom -- brothel -- Buddhist view of marriage -- Buddhist views of homosexuality -- bug chaser -- bugarrón -- buggery -- bukkake -- bulbocavernosus muscle -- bulbospongiosus muscle -- bulbourethral gland -- bulemia -- bulimia -- bundling -- Richard Francis Burton -- buru sera -- burusera -- butch -- butt fucking -- butt plug -- buttered bun -- butterfly sex position --

C
Caesarian section -- CAH -- call girl -- Calymmatobacterium granulomatis -- candaulism -- Candida albicans -- candidiasis -- caning -- canon law -- capacitation -- capnolagnia -- caress -- carezza -- carnal -- Casanova -- castration -- castration anxiety -- castration cult -- castration fear -- castrato -- casual relationship -- casual sex -- cat fighting -- catamite -- catecholamine -- catfight -- catfight -- catheter (sexology) -- catheterophilia -- Catholic marriage -- cavum Douglasi -- celebrity sex tape -- celibacy -- cerclage -- cerebral cortex -- cervical cancer -- cervical cap -- cervical dysplasia -- cervical incompetence -- cervical stitch -- cervicitis -- cervix -- Chadwick's sign -- chancre -- Chancroid -- chaperon -- chaperon(e) -- charms -- chastity -- chastity belt -- chastity device -- chemise cagoule -- Chevalier d'Eon -- chikan (body contact) -- child abduction -- child marriage -- child pornography -- child sexual abuse -- child sexuality -- childbirth -- chimera -- chipil -- Chlamydia -- Chlamydia trachomatis -- chloasma -- chordee -- choreophilia -- choriocarcinoma -- chorionic gonadotropin -- chrematistophilia -- Christian view of marriage -- Christina piercing -- chromosomal mosaicism -- chromosome -- chronophilia -- chubby chaser -- Cialis -- cicatrization -- circadian -- circle jerk -- circuit party -- circumcision -- circumcision scar -- civil marriage -- clamp (BDSM) -- Classical Friendship -- claustrophilia -- clear cell tumour -- clear plastic fetishism -- cleveland steamer -- climacteric -- climax -- clip joint -- clitoral crura -- clitoral hood -- clitoral hood piercing -- clitoral orgasm -- clitoral-vaginal index -- clitoridectomy -- clitoridotomy -- clitorilingus -- clitoris -- clitoris piercing -- clitorism -- clitoromegaly -- clitoropenis -- cloacal exstrophy -- the closet -- cock and ball torment -- cock harness -- cock ring -- cock stuffing -- cock vore -- cocktails -- cohabitation -- coital alignment technique -- coital aninsertia -- coital fantasy -- coition -- coitophobia -- coitus -- coitus interfermoris -- coitus interruptus -- coitus more ferarum -- coitus reservatus -- coitus à cheval -- coitus à mammilla -- coitus à unda -- cold knife cone biopsy -- collaborative divorce -- collar (BDSM) -- collaring -- colovaginoplasty -- colposcopy -- Alex Comfort -- coming out -- common penile artery -- common-law husband -- common-law marriage -- common-law wife -- commune -- compulsive cruising -- computer sex -- Anthony Comstock -- conception -- conceptive phase -- concubinage -- concubine -- concupiscence -- condom -- condom fatigue -- confessions -- conjugal visit -- consanguinity -- consecrated virgin -- consensual BDSM -- consensual crime -- consensual sex -- consenting adult -- constriction (sexology) -- consummation -- contact magazine -- contact rapist -- contact tracing -- continence -- contraception -- contraceptive -- contraceptive film -- contraceptive foam -- contraceptive pill -- contraceptive sponge -- conversion party -- conversion therapy -- Coolidge effect -- coprography -- coprolagnia -- coprolalia -- coprophagia -- coprophagy -- coprophilia -- copulate -- copulation -- copulation fantasy -- core gender identity -- corona glandis -- coronal sulcus -- corpora cavernosa -- corpus cavernosum -- corpus spongiosum -- corset -- corsetting -- cortisol -- cortisone -- corvus -- costumes -- cottaging -- counseling -- courtesan -- courting -- courtly love -- courtship -- couvade -- couvade syndrome -- cowgirl sex position -- Cowper's fluid -- Cowper's glands -- creampie -- cremaster muscle -- cremasteric reflex -- crime of passion -- critical period -- cross dressing -- cross-complementation -- cross-dresser -- cross-dressing -- cross-identification -- crotchless panties -- cruising -- cruising (for sex) -- crus glandis clitoridis -- crush fetish -- cryptomenorrhea -- cryptorchidism -- cryptorchism -- crystal and sex -- crystal dick -- cuckold -- cuckoldry -- cum -- cum swallowing -- cum swapping -- cunnilinctus -- cunnilingus -- cunnus -- cupcake party -- cupping -- curettage -- Cushing's syndrome -- Cushingoid facies -- cutting -- cybersex -- cymbalism -- cynophilia -- cyproterone -- cyproterone acetate -- cystitis -- cystostomy -- cytogenetic syndrome -- Cytomegalovirus --

D
dacryphilia -- Daddy's Girl fetish -- daisy-chaining -- dame de voyage -- danse du ventre -- Darby and Joan -- darlex -- dartos muscle -- dating -- dating agency -- dating service -- day belt -- de Clerambault's syndrome -- death erection -- decidua -- deep shaft piercing -- deep throat (sexual act) -- defeminization -- defilement (sexology) -- defloration -- degree of consanguinity -- delayed ejaculation -- delayed puberty -- deliberate self-harm syndrome -- delivery health -- demasculinization -- demi-monde -- dental braces fetishism -- dental dam -- dental fetishism -- depilation -- depilation fetishism -- Depo-Provera -- dermagraphism -- Deuki -- Devadasi -- Devaki -- deviance -- deviant -- Deviant Desires -- deviation -- dhat syndrome -- diagnosis -- Diagnostic and Statistical Manual of Mental Disorders -- Milton Diamond -- diaperism -- diaphragm (contraceptive) -- diaphragm (contraceptive) -- diethylstilbestrol -- digital rectal examination -- dihydrotestosterone -- dilatation -- dilatation and curettage -- dilation and curettage -- dildo -- dildo harness -- dildos and plugs -- dippoldism -- dirty joke -- dirty talk -- disability fetishism -- disability pornography -- discipline -- displacement paraphilia -- divorce -- docking (sexology) -- docking (sexual practice) -- docking sleeve -- dogging -- doggy position -- doggy style -- doleros -- dolphin piercing -- dominance/submission -- dominant (BDSM) -- domination and submission -- dominatrix -- Donovanosis -- dopamine -- doraphilia -- double anal penetration -- double penetration -- double vaginal penetration -- double vaginal, double anal -- double-ended dildo -- douche -- down-low -- dowry -- drag queen -- droit du seigneur -- dromomania -- dry humping -- dry orgasm -- dry sex -- DSM-IV -- dual personality -- ductus deferens -- dungeon (BDSM) -- duration of sexual intercourse -- DVDA -- dydoe piercing -- dysfunctional uterine bleeding -- dysgerminoma -- dysmenorrhea -- dysmorphophilia -- dyspareunia --

E
ecorchement -- ecouteurism -- ecstasy -- ectopia testis -- ectopic pregnancy -- effeminacy -- effeminate -- egg donor -- ego dystonic -- ejaculatio praecox -- ejaculation -- ejaculatory duct -- ejaculatory dysfunction -- ejaculatory incompetence -- Electra complex -- electric shock -- electroejaculation -- electrolysis -- electrophilia -- Elf Sternberg -- eligibilic/stigmatic paraphilia -- eligibility -- ELISA -- ELISA test -- Havelock Ellis -- elopement -- embryo -- emetophilia -- The Encyclopedia of Unusual Sex Practices -- endocrine gland -- endogamy -- endometrial cancer -- endometrioid tumour -- endometriosis -- endometrium -- endytophilia -- enema -- enema cocktail -- engagement -- English vice -- enjo k& -- enkephalin -- Entamoeba histolytica -- entomophilia -- enuresis -- Eonism -- ephebiatrics -- ephebophilia -- epicene -- epididymectomy -- epididymis -- epididymitis -- episioclisia -- episiotomy -- epispadias -- epistemology -- epoophoron -- erectile dysfunction -- erection -- erogenous zones -- Eros -- erotic -- erotic actor -- erotic apathy -- erotic art -- erotic ball -- erotic dance -- erotic electrostimulation -- erotic furniture -- erotic humiliation -- erotic inertia -- erotic literature -- erotic massage -- erotic objectification -- erotic photography -- erotic revulsion -- erotic sexual denial -- erotic spanking -- erotic strangulation -- erotic submission -- erotic torture -- erotic wrestling -- erotica -- eroticism -- erotographomania -- erotography -- erotolalia -- erotomania -- erotophobia -- erotophonophilia -- erotosexual -- escort -- escort agency -- essayeur -- estradiol -- estrogen -- estrus -- The Ethical Slut -- ethnic pornography -- ethology -- etiology -- eugenics -- eunuch -- eunuch's fiddle -- Eve principle -- evening people -- Everything You Always Wanted to Know About Sex (But Were Afraid to Ask) -- excitement phase -- executions -- exemplar -- exhibitionism -- exhibitionist -- exigency theory -- exocrine -- exogamy -- exogenous -- exophilia -- exorcist syndrome -- exoticism -- expiation -- extended family -- extended hookup -- exteroceptive -- extramarital intercourse -- extravasate -- eyeglasses fetishism --

F
facial (sexuality) -- facial feminization surgery -- FACOG -- faecal-oral route -- fag hag -- fainting -- faithfulness -- fake orgasm -- fake prostitution -- Fakir Musafar -- falling in love -- Fallopian pregnancy -- Fallopian tube -- family -- family planning -- famosae -- famulus -- fantasy -- fantasy play -- fart fetishism -- fashion health -- fat admirer -- Anne Fausto-Sterling -- feces -- fecundity -- feedee -- feeder (fetish) -- felching -- fellatio -- female -- female circumcision -- female condom -- female dominant sex position -- female ejaculate -- female ejaculation -- female genital mutilation -- female impersonator -- female masking -- femaleness -- femdom -- femidom -- femidon -- femininity -- feminism -- feminist -- femme -- fertility -- Fertility Awareness Method -- fertility rite -- fertilization -- fetal genitalia -- fetish -- fetish clothing -- fetish club -- fetishism -- fetishistic/talismanic paraphilia -- fetus -- fiancé -- fiancée -- fibroblast -- fibroma -- fibula -- ficaro -- fidelity -- fifi (masturbation aid) -- figging -- finger cot -- finger fucking -- fingering (sexual act) -- fire play -- fisting -- fisting sling -- Fitz-Hugh-Curtis syndrome -- flagellant -- flagellation -- flamer -- flatulence -- Wilhelm Fliess -- flirt -- flirting -- flirty fishing -- Florentine girdle -- flower boats -- fluid bonding -- fluid monogamy -- folie à deux -- follicle -- follicle-stimulating hormone -- foot binding -- foot fetish -- foot fetishism -- forced chastity -- forced feminization -- forced marriage -- foredoomance -- foreplay -- foreskin -- foreskin piercing -- foreskin restoration -- formicophilia -- fornication -- fornicatory doll -- four-letter word -- fourchette -- fourchette piercing -- foxy boxing -- fraternal polyandry -- fraternal twin -- Free Hosted Gallery -- free love -- freemartin -- French kiss -- French kissing -- French postcard -- French tickler -- frenulum -- frenulum breve -- frenulum clitoridis -- frenulum labiorum pudendi -- frenulum preputii penis -- frenum -- frenum ladder -- frenum piercing -- frequency of sexual intercourse -- Sigmund Freud -- Freudian psychosexual stages -- Kurt Freund -- frigidity -- frogtie -- frottage -- frotteur -- frotteurism -- fuck -- fuck of death -- fuck-buddy -- fuckbuddy -- Fumoto no iro -- fundiform ligament -- fur fetishism -- furor uterinus -- furtling --

G
G spot -- G-spot -- John Gagnon -- galactorrhea -- gamahuche -- gamahucheur -- gamete -- gamete intra-fallopian transfer -- gamophobia -- gang bang -- Gardnerella -- Gardnerella vaginalis -- Gartner's duct -- Katharine Gates -- gay -- gay bathhouse -- gay liberation -- gay-bashing -- gay-for-pay -- gaydar -- geek code -- geisha -- gender -- gender and sexuality studies -- gender coding -- gender crosscoding -- gender dysphoria -- gender identity -- gender identity disorder -- gender reassignment surgery -- gender role -- gender transposition -- gender-bending -- gendermap -- gene -- genetic sexual attraction -- genital -- genital anatomy -- genital bisection -- genital herpes -- genital insert -- genital intercourse -- genital modification -- genital mutilation -- genital penetration phobia -- genital piercing -- genital play -- genital retraction syndrome -- genital stage -- genital tattooing -- genital tubercle -- genital wart -- genitalia -- genitoerotic -- genitofemoral nerve -- genitourinary medicine -- genophobia -- genotype -- genuphallation -- gerbilling -- geriatric sexology -- germ cell ovarian cancer -- germ cell tumour -- gerontalism -- gerontology -- gerontophilia -- gestagen -- gestation -- GGG (sexual slang) -- ghost marriage -- Giardia lamblia -- giardiasis -- GIFT -- gigolo -- gimp mask -- gimp suit -- Rolf Gindorf -- girlfriend -- girlfriend experience -- giving head -- glamor photography -- glans -- glans clitoris -- glans penis -- glanuloplasty -- gliding action -- glory hole -- glove fetishism -- glucocorticoids -- GnRH -- goddess worship -- godemiche -- going down on -- gokkun -- golden enema -- golden shower -- gonad -- gonadal steroid -- gonadectomy -- gonadostat -- gonadotropin -- gonococcus -- gonorrhea -- gonorrhoea -- Goodell's sign -- Graafian follicle -- Granuloma inguinale -- granulosa cell tumour -- gravida -- gravida 0 -- gravida 1 -- gravidity -- grooming (child abuse) -- grooming (sexology) -- grope box -- groping -- group marriage -- group sex -- groupie -- growth hormone -- grudgefuck -- Gräfenberg spot -- Ernst Gräfenberg -- guiche -- GUM clinic -- gynaecology -- gynaecology -- gynandromorphous -- gynandromorphy -- gynandry -- gynecaeum -- gynecologic hemorrhage -- gynecology -- gynecomania -- gynecomastia -- gynecomimetic -- gynemimesis -- gynemimetophile -- gynemimetophilia -- gynephilia --

H
H-Y antigen -- Haemophilus ducreyi -- hafada piercing -- hair cut fetishism -- hallucinosis -- hand job -- hand relief -- handballing -- handfasting -- handicaps -- handjob -- handkerchief code -- hard-on -- hardsports (sexual practice) -- harem -- harem effect -- harmatophilia -- harnesses -- harpaxophilia -- hatesex -- heavy petting -- hebephilia -- hedonism -- Hegar's sign -- hemophilia -- hen party -- Hepatitis -- Hepatitis A -- Hepatitis B -- Hepatitis C -- Hepatitis D -- Hepatitis E -- Hepatitis G -- Gilbert Herdt -- hermaphrodite -- hermaphroditism -- Herpes simplex type II -- Herpes simplex virus -- Preben Hertoft -- hetaera -- hetaerae -- heterocentrism -- heteronormativity -- heterophilia -- heterosexual -- heterosexualism -- heterosexuality -- hierogamy -- hierophilia -- Hieros Gamos -- hieros gamos -- hijra -- Hindu view of marriage -- Hindu views of homosexuality -- hippocampus -- Hippocrates -- Magnus Hirschfeld -- hirsuties papillaris genitalis -- hirsuties papillaris penis -- hirsuties papillaris vulvae -- hirsutism -- histocompatibility -- history of sex -- The History of Sexuality -- HIV -- HIV test -- hodophilia -- hogging -- hogtie -- holding hands -- Xaviera Hollander -- homicidophilia -- homilophilia -- homoeroticism -- homologue -- homology (biology) -- homomasculinity -- homophilia -- homophobia -- homosexology -- homosexual -- homosexualism -- homosexuality -- Homosexuality and Christianity -- homosexuality in China -- homosexuality in Japan -- homosocial -- honeymoon -- honor killing -- hood piercing -- hooker -- hookup -- hormonal cyclicity -- hormone -- hormone replacement therapy -- hormone therapy -- hormonodynamics -- hot flashes -- hot wax -- hotwife -- Human Immunodeficiency Virus -- human papillomavirus -- human pony -- human sexual behavior -- Human Sexual Inadequacy -- Human Sexual Response -- human sexual response cycle -- human female sexuality -- human male sexuality -- human sexuality -- humiliation -- Huntington's chorea -- hustler -- hybridization -- hybristophilia -- hydatiform mole -- hydrosalpinx -- hygiene -- hygrophilia -- hymen -- hymenorrhaphy -- hymenotomy -- hyperactivation -- hypergyny -- hypermasculinity -- hyperorgasmia -- hyperparathyroidism -- hyperphilia -- hypersexuality -- hyphephilia -- hypnosis -- hypogonadism -- hypophilia -- hypopituitarism -- hypospadias -- hypothalamic-pituitary-gonadal axis -- hypothalamus -- hypothyroidism -- hypoxyphilia -- hyrocele -- hysterectomy -- hysteria -- hysterical pregnancy -- hysterotomy --

I
IAG -- ice play -- iconolagny -- ICSH -- ICSI -- identical twins -- idiographic -- idiopathic -- illegal sex -- illegitimacy -- illegitimate child -- image club -- Imaginative Sex -- immissio penis -- impersonator -- impotence -- impotentia coeundi -- impotentia procreandi -- impregnation -- imprinting -- in vitro fertilisation -- in vitro fertilization -- incest -- inclusion paraphilia -- incontinence -- incubus -- indecent exposure -- indolamine -- infancy -- infantilism -- infantophilia -- infatuation -- infertility -- infibulation -- infidelity -- inflatable doll -- inflatable fetishism -- informed consent -- inframasculinize -- innate bisexuality -- insect fetish -- insemination -- insertion fantasy -- Institut für Sexualwissenschaft -- insufflation -- interaxillary -- intercourse -- intercrural intercourse -- interfemoral -- interfemoral intercourse -- intergenerational -- intermammary -- internal pudendal artery -- Internet pornography -- interracial pornography -- interrogation (BDSM) -- intersex -- intersexuality -- interstitial cell stimulating hormone -- intimacy -- intimacy-aviodancy -- intimate examination -- intimate relationship -- intracytoplasmic sperm injection -- intrauterine device -- introceptive -- intromission -- inunction -- invert -- inviolacy -- involuntary celibacy -- irrumatio -- irrumation -- Isabella piercing -- ischiocavernosus muscle -- Islamic view of marriage -- Islamic views of homosexuality -- Italian Hanger -- IUD -- IVF --

J
Japanese bondage -- jealousy -- jello wrestling -- jelqing -- jewelry -- Jewish view of marriage -- Jewish views of homosexuality -- jinetera -- jineterismo -- john (prostitution) -- V. E. Johnson -- Virginia Eshelman Johnson -- Georgeanna S. Jones -- The Joy of Sex -- jus primae noctis -- juvenilism --

K
K-selection -- K-Y Jelly -- kabazzah -- kagema -- Kallmann's syndrome -- Kama Sutra -- Kamashastra -- karezza -- karyotype -- Kegel exercise -- Kegel exerciser -- Arnold Kegel -- Khoikhoi apron -- kink (sexual) -- kinky -- kinky sex -- Kinsey Institute -- Kinsey Reports -- Kinsey scale -- Alfred Kinsey -- kiss -- kiss -- Klein sexual orientation grid -- kleptolagnia -- kleptomania -- Klinefelter's syndrome -- Klinefelter syndrome -- klismaphilia -- klismophilia -- klysmaphilia -- knismolagnia -- kokigami -- Oswalt Kolle -- Robert C. Kolodny -- koro (sexual disorder) -- Richard Freiherr von Krafft-Ebing -- Krukenberg tumor -- köçek --

L
labia -- labia majora -- labia minora -- labia piercing -- lacing -- lactaphilia -- lactation -- lactogenic hormone -- ladyboy -- lagnolalia -- lap dancing -- laparoscopic surgery -- laparotomy -- latex -- latex clothing -- lavender marriage -- leapfrog sex position -- leather culture -- leather fetishism -- legalized prostitution -- legbrace fascination -- lena (sexology) -- leno (sexology) -- lent challenge -- Leopold von Sacher-Masoch -- leptosadism -- lesbian -- lesbianism -- Simon LeVay -- levirate marriage -- Leydig cell -- LGBT -- LGV -- LHRH -- libido -- lichen sclerosus et atrophicus -- Lie back and think of England -- limbic system -- limerence -- line marriage -- linea nigra -- lingam -- lipstick lesbian -- List of Japanese sex terms -- list of phobias -- list of sex positions -- List of transgender-related topics -- live-in relationship -- lochia -- lock and key party -- loli-con -- Lolita complex -- long-distance intercourse -- loop electrical excision procedure -- lordosis -- lordosis behavior -- lorum -- love -- love addiction -- love egg -- love hotel -- love map -- love pillow -- love potion -- love slave -- love-bite -- love-shyness -- loveblot -- lovemaking -- lovemap -- lovemap displacement -- lovemap inclusion -- lover -- lovesickness -- lubricant -- Lucky Pierre -- lues -- lust -- lust murder -- Lymphogranuloma venereum -- Lysistrata --

M
machismo -- macroorchidism -- macrophilia -- maiden -- maidenhead -- maieusiophilia -- mail-order bride -- major vestibular glands -- makeup -- makeup sex -- male chauvinism -- male circumcision -- male dominant sex position -- male ejaculation -- male hermaphroditism -- male lactation -- male Pill -- male prostitute -- male rape -- maledom -- maleness -- mammae -- mammal -- mammary gland -- mammary intercourse -- manic-depressive hypersexuality -- Thaddeus Mann -- marauding -- marauding/predatory paraphilia -- marianismo -- marital aid -- marital rape -- marital status -- maritate -- marriage -- marriage -- marriage by abduction -- marriage by capture -- marriage guidance -- marriage of convenience -- marriageable age -- Married Love -- Mars Bar party -- masculinity -- masculinization -- mask -- mask fetishism -- mask of pregnancy -- masochism -- masochist -- massage -- massage parlor -- mastectomy -- master -- Masters and Johnson -- William Masters and Virginia Johnson -- W. H. Masters -- William Howell Masters -- masturband -- masturbation -- masturbation fantasy -- matchmaker -- matriarchy -- matrilocal residence -- Mayer-Rokitansky syndrome -- Mayer-Rokitansky-Küster-Hauser syndrome -- meat market (sexuality) -- meatal advancement -- meatal stenosis -- meatal ulceration -- meatitis -- meatotomy -- meatus -- mechanism -- medical fetishism -- medical scene -- melasma -- melasma praegnans -- membrum virile -- men on the DL -- men who have sex with men -- menarche -- menopause -- menstrual -- menstrual cramp -- menstrual cup -- menstrual cycle -- menstrual taboo -- menstruation -- mental disorder -- mercantile/venal paraphilia -- merkin -- micropenis -- microphallus -- microphilia -- milk fetishism -- mindfuck -- minor vestibular glands -- minotaur -- miscarriage -- miscegenation -- misogynist -- misogyny -- missionary position -- mistress -- misyar marriage -- mittelschmerz -- mixophilia -- mixoscopia -- mmmmphing -- mock execution -- Modern Primitives -- Albert Moll -- Molluscum contagiosum -- John Money -- monogamy -- monorchism -- mons veneris -- morganatic marriage -- morning-after pill -- morning-after-pill -- morphophilia -- mortality -- Mother Clap -- motivation theories -- mount -- MSM -- mucinous tumour -- mucophagy -- mucopurulent cervicitis -- mud wrestling -- mujra (courtesan) -- muliebrity -- multipara -- multiparous -- multiphilia -- multiple birth -- multiple orgasm -- multiple personality -- multiplexed paraphilia -- mummification -- Musée de l'erotisme -- mut'a marriage -- mutilation -- mutual masturbation -- Mycoplasma hominis -- mysophilia -- ménage à trois -- Müllerian duct -- Müllerian duct structures -- Müllerian-inhibiting hormone --

N
narcissism -- narratophilia -- nasal sex -- nasolingus -- nasophilia -- natal sex -- native lovemap -- natural birth control -- natural childbirth -- natural family planning -- natural law -- necking -- necrobestiality -- necromania -- necrophagia -- necrophilia -- necrosadism -- necrozoophilia -- Sheikh Nefzaoui -- negotiation -- Neisseria gonorrhoeae -- neocortex -- neolocal residence -- neopagan views of homosexuality -- neopagan views of marriage -- neopenis -- neophalloplasty -- neophilia -- nepiophilia -- nepiphtherosis -- neuropeptide -- neurotransmitter -- NGU -- niddah -- nipple -- nipple discharge -- nipple piercing -- nipple reconstruction -- no prostitutes here -- nocturnal emission -- non-gonococcal urethritis -- non-specific urethritis -- nonmonogamy -- norm -- normal (behavior) -- normal sexuality -- normophilia -- normophiliac -- nosophilia -- NSU -- nuclear family -- nude -- nude chat -- nudism -- nudity -- nulligravida -- nullipara -- nulliparous -- nymph -- nymphae -- nympholepsy -- nymphomania -- nymphophilia -- nymphotomy --

O
obscene phone call -- obscenity -- obstetrics -- Obstetrics and Gynecology -- ochlophilia -- oculolinctus -- oculophilia -- odalisque -- odontophilia -- Oedipal conflict -- Oedipus complex -- oestrogen -- old maid's insanity -- olfactophilia -- oligospermia -- olisbos -- omiai -- onanie -- onanism -- ondinisme -- one-night stand -- open marriage -- ophidicism -- opioid -- opponent-process theory -- opposite sex -- oral contraceptive -- oral contraceptive pill -- oral intercourse -- oral sex -- oral stage -- orchalgia -- orchidectomy -- orchidometer -- orchiectomy -- orchiopexy -- orgasm -- orgasm control -- orgasm denial -- orgasmic phase -- orgasmic platform -- orgy -- orientalism -- osmolagnia -- osphresiolagnia -- the Other -- outercourse -- ovarian cancer -- ovarian cyst -- ovarian neoplasm -- ovarian reserve -- ovariectomy -- ovary -- ovulation -- ovum -- oxygen regulation -- oxytocin -- ozolagnia --

P
pain during intercourse -- pairbond -- panderer -- pandering -- pansexual -- pansexuality -- panty fetishism -- pantyhose fetishism -- para 0 -- para 1 -- paramesonephric ducts -- paraphilia -- paraphiliac -- paraphilic adolescentilism -- paraphilic gerontalism -- paraphilic infantilism -- paraphilic juvenilism -- paraphimosis -- parasympathetic nervous system -- paraurethral glands -- parovarium -- parthenogenesis -- parthenos -- partialism -- partialism (paraphilia) -- party and play -- passivism -- paternity -- paternity suit -- pathicus -- pathophobia -- patriarchy -- patrilocal residence -- peace sign position -- pearling -- pearly penile papules -- pecattiphilia -- pedal pumping -- pederasty -- pediophilia -- pedophilia -- pedophilia and sexual orientation -- peep show -- Peeping Tom -- peg boy -- pegging -- pelvic exam -- pelvic examination -- pelvic floor -- pelvic floor muscles -- pelvic inflammatory disease -- penectomy -- penetration -- penetration phobia -- penetration toy -- penile anesthesia -- penile cancer -- penile fracture -- penile inversion -- penile ligation -- penile plethysmography -- penile suspensory ligament -- penis -- penis captivus -- penis enlargement -- penis extension -- penis length -- penis modification -- penis panic -- penis pump -- penis removal -- penis size -- penis sleeve -- penis substitute -- penoclitoris -- peodeiktophilia -- peptide hormone -- perceptual image -- The Perfumed Garden -- perimenopause -- perineal massage -- perineal urethra -- perineum -- period -- peripheral nervous system -- peritomy -- persistent sexual arousal syndrome -- personal ad -- perversion -- pervertible -- pessary -- petticoat discipline -- petticoat domination -- petticoat punishment -- petting -- Peyronie disease -- phagophilia -- phallic stage -- phallic symbol -- phallophilia -- phalloplasty -- phallus -- pheromone -- philosophy of sex -- phimosis -- phlebotomy -- phobias -- phobophilia -- phone sex -- Phthirius pubis -- phygephilia -- phylogeny -- physical intimacy -- pictophilia -- pie throwing -- piercings -- the Pill -- pimp -- pinching -- pink salon -- pituitary gland -- pity fuck -- placenta -- placental abruption -- Planned Parenthood -- plateau phase -- Platonic love -- Platonic relationship -- play (sexology) -- play piercing -- plethysmography -- plural marriage -- plushophile -- plushophilia -- PnP -- podophilia -- point of no return -- poly relationship -- polyamory -- polyandry -- polycystic ovary syndrome -- polyfidelity -- polygamy -- polygynandry -- polygyny -- polyiterophilia -- polymorphism -- polymorphous -- pomosexual -- pompoir -- ponyboy -- ponygirl -- porn star -- pornographic magazine -- pornographic movie -- pornography -- pornography in Japan -- post-coital tristesse -- post-natal depression -- post-partum sex taboo -- posthumous marriage -- potency -- pozcum -- pre-ejaculate -- pre-ejaculatory fluid -- pre-marital sex -- pre-op transsexual -- precocious puberty -- predicament bondage -- prednisone -- pregnancy -- premarital intercourse -- premature ejaculation -- premature puberty -- premenstrual dysphoric disorder -- premenstrual stress syndrome -- prenatal masculinization -- preoptic nucleus -- prepenetrative orgasm -- prepuce -- priapism -- Priapus -- primatologist -- primigravida -- Prince Albert piercing -- prince's wand -- Princess Albertina -- prison sexuality -- proceptive phase -- procurer -- professional dominant -- professional dominatrix -- professional submissive -- progesterone -- progestin -- progestin-induced hermaphroditism -- progestin-induced virilisation -- progestogen -- prolactin -- prolactin-inhibitory factor -- promiscuity -- prophylactic -- prostaglandins -- prostate -- prostate cancer -- prostate massage -- prostate milking -- prostate orgasm -- prostate specific antigen -- prostatectomy -- prostatic massage -- prostatic urethra -- prostatic utricle -- prostatitis -- prosthesis -- prosthetic testis -- prosthetics -- prostitute -- prostitution -- prostitution in Japan -- prostitution in Nevada -- prostitution in New Zealand -- prostitution in the Netherlands -- prostitution in the United Kingdom -- prostitution in the United States -- prudery -- pseudohermaphrodite -- pseudohermaphroditism -- pseudovaginal perineoscrotal hypospadias -- psychoendocrinology -- psychohormonal -- psycholagny -- psychomotor epilepsy -- Psychopathia Sexualis -- psychopathic -- psychosexual development -- psychosexual disorder -- psychosexual stages -- psychrophilia -- PT-141 -- pubertal delay -- puberty -- pubic dressing -- pubic hair -- pubic lice -- pubic piercing -- pubic symphysis -- public sex -- pubococcygeus muscle -- pudenda -- pudendal nerve -- puerperal psychosis -- punter -- purdah -- puritan -- PVC fetishism -- pygmalionism -- pygophilia -- pyromania -- pyrophilia --

Q
quadoshka -- queef -- queening -- queer -- queer-bashing -- quim (slang) --

R
r-selection -- radical feminism -- ranch (brothel) -- rape -- rape fantasy -- rape rack -- raphe -- rapism -- raptophilia -- reach-around -- reciprocation -- rectal foreign body -- rectal foreign object -- rectal prolapse -- rectal sex -- recto-vaginal fistula -- rectocele -- rectovaginal fistula -- rectum -- red-light district -- reductionism -- refractory period -- refusal skills -- regulated prostitution -- Wilhelm Reich -- relationship -- relationship counseling -- relics -- religion and homosexuality -- religion and sexuality -- religious aspects of marriage -- religious prostitution -- religious views on sex -- renifleurism -- rent boy -- reparative therapy -- reproduction -- reproductive biology -- reproductive organs -- reproductive strategy -- reproductive system -- reproductive technology -- reproductive tract -- reproductive tract obstruction -- resolution phase -- retarded ejaculation -- retifism -- retrograde ejaculation -- retroverted uterus -- reverse cowgirl -- reverse Prince Albert piercing -- reversible hyposomatotropic dwarfism -- RH -- Rh factor -- rhabdophilia -- rhythm method -- ridged band -- rimming -- ring gag -- ringing -- ritual cleanliness -- ritual purification -- ritual sex -- ritualistic sex act -- ritualistic sexual act -- ritualistic sexual behavior -- roasting (sexual act) -- robot fetishism -- robotism -- roman showers -- romance -- romance novel -- romantic love -- rough sex -- rough trade -- Royal College of Obstetricians and Gynaecologists -- rubber -- rubber clothing -- rubber fetishism -- rubberism --

S
S.W.A.L.K. -- S/M -- sacred prostitution -- sacrificial/expiatory paraphilia -- Marquis de Sade -- sadism -- sadist -- sadomasochism -- sadomasochistic sacrifice -- safe sex -- safe, sane and consensual -- safer sex -- saliromania -- salirophilia -- salpingectomy -- salpingitis -- same-sex marriage -- sanitary towel -- sanky-panky -- sapphic -- sapphism -- Sarcoptes scabiei -- satan worship -- satyr -- satyriasis -- sausage party -- scabies -- scarfing -- scarring (sexology) -- scat -- scatology -- scatophilia -- scene (BDSM) -- scopophilia -- scoptolagnia -- scoptophilia -- scortum -- scratching (sexology) -- Screw magazine -- scrotal infusion -- scrotal piercing -- scrotum -- scuba fetishism -- second skin -- secondary sex characteristic -- secondary virginity -- secret vice -- secular law -- seduction -- self-abuse -- self-bondage -- self-isolation -- semen -- semen swapping -- semen-loss anxiety -- semeniferous tubules -- seminal colliculus -- seminal vesicle -- sensate focus -- sensate focus exercises -- sensation play (BDSM) -- sensory compensation -- sensory deprivation -- sensory enhancement -- sensory overload -- sensuality -- seraglio -- serenade -- serendipitous -- serial killing -- serial monogamy -- serotonin -- serous tumour -- Sertoli cell -- Sertoli cell -- Sertoli-Leydig cell tumour -- service-oriented -- sex -- sex act -- sex addict -- sex addiction -- sex adjunctive -- sex adventitious -- sex aid -- sex assignment -- sex boutique -- sex change -- sex chromatin -- sex client -- sex club -- sex coaching -- sex compulsion -- sex cord-stromal tumour -- sex crime -- sex derivative -- sex diet -- sex doll -- sex drive -- sex education -- sex fight -- sex flush -- sex game -- sex hormone -- sex hormone binding globulin -- sex hotel -- sex hotline -- sex industry -- sex irreducible -- sex machine -- sex magic -- sex manual -- sex museum -- sex nexus -- sex object -- sex of rearing -- sex offender -- sex parties -- sex position -- sex reassignment -- sex restaurant -- sex ring -- sex role -- sex shop -- sex show -- sex steroid -- sex surrogate -- sex surrogate -- sex therapist -- sex therapy -- sex tourism -- sex toy -- sex worker -- sex-determining system -- sex-hormone therapy -- sex-positive -- sex-positive feminism -- Sexaholics Anonymous -- sexercise -- sexism -- sexological education -- sexologist -- sexology -- sexology -- sexosophy -- sexploitation -- sexual aberration -- sexual abstinence -- sexual abuse -- sexual acronyms -- sexual act -- sexual activities -- sexual addiction -- sexual anatomy -- sexual anatomy -- sexual anomalies -- sexual arousal -- sexual assault -- sexual attraction -- sexual availability -- Sexual Behavior in the Human Female -- Sexual Behavior in the Human Male -- sexual bondage -- sexual characteristics -- sexual child abuse -- sexual compulsion -- Sexual Compulsives Anonymous -- sexual continence -- sexual desire -- sexual development -- sexual deviation -- sexual differentiation -- sexual dimorphism -- sexual dissatisfaction -- sexual drive -- sexual dysfunction -- sexual ethics -- sexual exploitation -- sexual fantasy -- sexual fetish -- sexual fetishism -- sexual fetishist -- sexual fidelity -- Sexual Freedom Coalition -- sexual frustration -- sexual game -- sexual harassment -- sexual health -- sexual health clinic -- sexual history -- sexual identity -- sexual intercourse -- sexual inversion -- sexual jealousy -- sexual liberation -- sexual lubricant -- sexual malfunction -- sexual maturity -- sexual medicine -- sexual misconduct -- sexual morality -- sexual network -- sexual norm -- sexual orientation -- sexual outlet -- sexual partner -- sexual perversion -- sexual predator -- sexual problem -- sexual prop -- sexual reassignment surgery -- sexual rehearsal play -- sexual revolution -- sexual ritual -- sexual roleplaying -- sexual sadism -- sexual script -- sexual slang -- sexual stimulation -- sexual surrogate -- sexual tension -- sexual violence -- sexuality -- sexuality education -- Sexuality Information and Education Council of the United States -- sexually dimorphic nucleus -- sexually transmissible disease -- sexually transmitted disease -- sexually violent predator -- sexuoerotic -- sexuoerotic body image fixation -- shaving (sexology) -- shemale -- shidduch -- shim-pua marriage -- shocker (hand gesture) -- shoe dangling -- shoe fetishism -- shotacon -- shotgun wedding -- showers (sexology) -- shunga -- shyness -- side entry missionary position -- siderodromophilia -- significant other -- sildenafil citrate -- Sin City (description) -- single -- sinus -- sissy -- sissy boy -- sitophilia -- situational child molester -- situational sexual behaviour -- sixty-nine -- Skene's glands -- Skoptzy -- slapper -- slapping (BDSM) -- slave (BDSM) -- sleeping princess syndrome -- sleeping together -- sling -- smegma -- smoking fetishism -- smotherbox -- snapping pussy -- snowballing -- soapland -- social distancing -- social vice -- Society for Human Sexuality -- Society for the Scientific Study of Sexuality -- sociobiological theories of rape -- sodomy -- sodomy law -- soft chancre -- soggy biscuit -- soixante-neuf -- solicitation -- solicitational/allurative paraphilia -- solitary vice -- solosexuality -- somatic -- somatotropin -- somesthetic -- somnophilia -- sororal polygyny -- sororate marriage -- sounding -- spandex fetishism -- spanking -- spay -- spectrophilia -- speculum -- speed dating -- sperm -- sperm bank -- sperm count -- sperm donor -- spermatic cord -- spermatic duct -- spermatid -- spermatocele -- spermatogenesis -- spermatophobia -- spermatophore -- spermatorrhea -- spermatozoa -- spermatozoon -- spermicide -- sphincter -- spinnbarkeit -- spit roast -- spitting fetishism -- splanchnic nerves -- splash conception -- splitting -- spoons position -- spousal abuse -- spreadeagle -- squashing of the deckchair position -- squeeze technique -- stabbing -- stag party -- standing sex position -- stapling (sexology) -- statuephilia -- statutory rape -- STD -- STD clinic -- STD testing -- steatopygia -- sterility -- sterilization (surgical procedure) -- steroid hormones -- STI -- stigmatic/eligibilic paraphilia -- stigmatophilia -- stimulus-response theory -- Stockholm syndrome -- stocking fetishism -- stop and go exercises -- stop-start technique -- Marie Stopes -- Story of O -- straight pride -- strangling (sexology) -- strangulation -- strap-on -- strap-on dildo -- street prostitution -- streetwalker -- stretching (sexology) -- string bondage -- strip poker -- strip pub -- strip search -- stripping -- stripping fetishism -- striptease -- stuffing (sexology) -- subfertility -- subincision -- sublimation -- subliminal tape -- submission -- submission (BDSM) -- submissive (BDSM) -- subpersonality -- succubus -- support group -- supramasculinize -- surface epithelial-stromal tumour -- surrendered wife -- surrogate mother -- suspension -- suspensory ligament of the penis -- suttee -- suturing (sexology) -- swing (sexology) -- swing club -- swinger -- swinging -- switch (BDSM) -- switch (sexuality) -- sworn virgin -- Sybian -- sympathetic nervous system -- symphorophilia -- synechial membrane -- syphilis --

T
taboo -- taboo breaking -- talisman -- talking dirty -- tampon -- Tanner stage -- Tantra -- Tantramassage -- Tantric massage -- tantric sex -- taphephilia -- tattooing -- taxonomy -- tea room -- teabagging -- tearoom -- teasing (sexology) -- technical virginity -- teledildonics -- telegony -- teleiophilia -- telekura -- telephone scatologia -- telephone scatophilia -- telephone sex -- telephonicophilia -- tellak -- temple prostitute -- temporal lobe trauma -- temporary marriage -- teratophilia -- termination of pregnancy -- territorial marking -- terror play -- testes -- testicle -- testicular cancer -- testicular torsion -- testicular-feminizing syndrome -- testilingus -- testis -- testosterone -- thalpotentiginy -- thecoma -- three-legged bloomers -- threshold -- thrush (infection) -- tickling -- tie and tease -- timophilia -- tit wank -- titty fuck -- toilet training (sexology) -- tomboy -- toonophilia -- top (BDSM) -- top (sex) -- torture (sexology) -- toucheur -- toucheurism -- tourniquet -- toxic shock syndrome -- tracheal shave -- traditional marriage -- trampling fetishism -- transexualism -- transgender -- transition nuclear protein -- transitioning (transgender) -- transman -- transposition of gender-identity/role -- transscrotal piercing -- transsexual -- transsexualism -- transurethral needle ablation of the prostate -- transurethral resection of the prostate -- transvestic fetishism -- transvestism -- transvestite -- transvestitism -- transvestophilia -- transwoman -- traumatic masturbatory syndrome -- Treponema pallidum -- trial marriage -- triangle piercing -- triangular theory of love -- tribadism -- Trichomonas vaginalis -- Trichomoniasis -- trichophilia -- trimester -- triple penetration -- triple-X syndrome -- tripsolagnia -- troilism -- Trokosi -- troubadour -- tubal ligation -- TUNA -- tunica albuginea -- tunnel of love -- turn-off -- Turner's syndrome -- TURPS -- twins --

U
undinism -- unnatural act -- unnatural sex -- unprotected sex -- unrequited love -- uranism -- Ureaplasma urealyticum -- ureter -- urethra -- urethral self-instrumentation -- urethral sounding -- urethral sponge -- urethral stricture -- urethralism -- urethroplasty -- 'urfi marriage -- urfi marriage -- urinary fistula -- urinary incontinence -- urinary tract infection -- urine -- urningism -- urogenital -- urogenital diaphragm -- urogenital folds -- urogenital sinus -- urolagnia -- urology -- urophilia -- urtication -- uterine orgasm -- uterus --

V
vacrack -- vacuum bed -- vagina -- vagina dentata -- vagina masculina -- The Vagina Monologues -- vaginal atresia -- vaginal barbell -- vaginal bleeding -- vaginal candidiasis -- vaginal contraction -- vaginal deodorant -- vaginal dilation -- vaginal dilator -- vaginal dryness -- vaginal grip -- vaginal lubrication -- vaginal mucus -- vaginal orgasm -- vaginal photoplethysmography -- vaginal prolapse -- vaginal secretion -- vaginal sex -- vaginismus -- vaginitis -- vaginoplasty -- vampirism -- Theodor Hendrik van de Velde -- vandalized lovemap -- vas deferens -- vasectomy -- vasopressin -- Vatasyana -- VCH -- VD -- VD clinic -- veil fetishism -- venereal disease -- Venus (goddess) -- Venus in Furs -- vertical clitoral hood piercing -- vertigo -- vertugadin -- vesiculae seminales -- vestibular glands -- vestibule -- Viagra -- vibrator -- vicarious arousal -- vicarphilia -- victimless crime -- victorian lace -- Victorianism -- vincilagnia -- violent pornography -- virgin -- virginity -- virginity pledge -- virginity testing -- virility -- virilization -- visualization -- voiding cystourethrogram -- vomeronasal organ -- vomit -- voyeur -- voyeurism -- vulva -- vulval anesthesia -- vulvectomy -- vulvodynia -- vulvovaginal disorders -- vulvovaginal health -- vulvovaginitis --

W
wanking -- Wassermann test -- water sports -- watersports (sexual practice) -- wax play -- waxing -- wedding -- weight training (BDSM) -- Westermarck effect -- Edward Westermarck -- Western blot -- Ruth Westheimer -- wet and messy fetishism -- wet dream -- whipping -- white slavery -- white tantrism -- whore -- whore house -- wife swapping -- witch's milk -- withdrawal method -- Wolffian duct -- woman battering -- woman trafficking -- womanizer -- womb -- women's liberation -- worship (BDSM) -- wrestling (sexology) --

X
X chromosome -- X-linked recessive -- xanith -- xenophilia -- XO syndrome -- XXX syndrome -- XXY syndrome -- XYY syndrome --

Y
Y chromosome -- yeast infection -- yiff -- yohimbine -- yolk sac tumour -- yoni -- yoni worship -- yoshiwara --

Z
zawag al-'urfi -- zelophilia -- zentai -- ZIFT -- zina -- zipless fuck -- zooerasty -- zoolagnia -- zoophilia -- zoosadism -- zygote -- zygote intra-fallopian transfer --