A
- A Mind of Its Own: A Cultural History of the Penis
- A Return to Love
- A word
- Abasiophilia
- Abortion
- About Your Sexuality
- Abstinence
- Abstinence-only sex education
- Abstinence, be faithful, use a condom
- Acarophilia
- Accidental incest
- Acrosome
- Acrosome reaction
- Acrotomophilia
- Activin and inhibin
- Adolescent sexuality
- Adolescent sexuality in the United States
- Adult Check
- Adult documentary
- Adult Industry Medical Health Care Foundation
- Adult non-pornographic website
- Adult Verification System
- Adult video arcade
- Adult video game
- Adultery
- Advanced maternal age
- Aedeagus
- Affair
- Affection
- Affectional bond
- Affectional orientation
- African-American culture and sexual orientation
- Agalmatophilia
- Agapism
- Age at first marriage
- Age disparity in sexual relationships
- Age of consent
- Age of consent in Brazil
- Age of consent reform
- Ageplay
- Ages of consent in Africa
- Ages of consent in Asia
- Ages of consent in Europe
- Ages of consent in North America
- Ages of consent in Oceania
- Ages of consent in South America
- Agonophilia
- AIDS
- AIDS in the pornographic film industry
- Alan Soble
- Albanian sworn virgins
- Alcohol and sex
- All About Love: New Visions
- Allantois
- Alt porn
- Alt.sex
- Alt.sex.stories
- American Association of Sexuality Educators, Counselors and Therapists
- American Birth Control League
- American Fertility Association
- American Institute of Bisexuality
- American Journal of Sexuality Education
- Anal beads
- Anal masturbation
- Anal sex
- Anaphrodisiac
- Anarchism and issues related to love and sex
- Anatomically correct doll
- Ancient Greek eros
- Andrology
- Androphilia and gynephilia
- Androphobia
- Angel F
- Anilingus
- Animal roleplay
- Animal sexual behaviour
- Anovulatory cycle
- Anthony Weiner sexting scandal
- Anthropophilia in animals
- Anti-pornography movement
- Antisexualism
- Apache Warrior
- Aphanisis
- Aphrodisiac
- Apotemnophilia
- Aquaphilia (fetish)
- Armpit fetishism
- Arse Elektronika
- Artificial hymen
- Asexuality
- Asherman's syndrome
- Ass to mouth
- Assortative mating
- Astroglide
- Athenian pederasty
- AtomAge
- Attachment in adults
- Attachment in children
- Attachment measures
- Attachment theory
- Attraction to disability
- Autagonistophilia
- Autassassinophilia
- Autoerotic fatality
- Autoeroticism
- Autosadism
Read more about this topic: Index Of Human Sexuality Articles