Orgasm Gap: Gender Differences, Sexual Scripts, and Pleasure Equality
The orgasm gap is the difference in how often people from different genders, orientations, relationships, or sexual situations experience orgasm.
Orgasm: Meaning, Sexual Response, Ejaculation, and Pleasure
An orgasm is a brief peak of sexual pleasure and nervous-system activity that may involve muscle contractions, fluid release, and relaxation.
Orgasmic Disorder: Types, Causes, and Treatment
Orgasmic disorder involves persistent difficulty, delay, reduced intensity, or absence of orgasm despite adequate stimulation and arousal.
Orgasmic Latency: Time to Orgasm, Influences, and Sexual Response
Orgasmic latency is the amount of time between the beginning of defined sexual stimulation and the occurrence of orgasm.
Orientation Spectrum: Sexual Attraction, Identity, and Fluidity
Orientation spectrum describes the broad range of sexual and romantic attractions, from attraction to one or more genders to little or no attraction.
Original Sin: Meaning, the Fall, Sexuality, and Theology
Original sin is a Christian doctrine describing humanity’s inherited fallen condition following the first human disobedience traditionally associated with Adam and Eve.
Outer Lips: Meaning, Vulvar Anatomy, and Sexual Health
Outer lips is an informal term for the labia majora, the external vulvar folds that protect inner genital structures and contribute to sensation.
Outing: Meaning, LGBTQ+ Identity, Privacy, and Consent
Outing is the act of revealing another person’s sexual orientation, gender identity, or transgender status without their permission.
Outside Marriage: Meaning, Sex, Infidelity, and Relationship Boundaries
Outside marriage describes romantic, emotional, or sexual conduct beyond marital boundaries, including nonmarital sex, affairs, separation dating, or consensual nonmonogamy.
Ova: Meaning, Egg Cells, Ovulation, and Fertilization
Ova is the plural of ovum and refers to reproductive cells commonly called egg cells, which carry genetic material and may be fertilized by sperm.