Sexual intercourse (also coitus or copulation) is a sexual activity typically involving the insertion and thrusting of the male penis inside the female...

Penile-vaginal intercourse or vaginal intercourse is a form of penetrative sexual intercourse in human sexuality, in which an erect penis is inserted into...

Deviant sexual intercourse or deviate sexual intercourse is, in some U.S. states, a legal term for "any act of sexual gratification involving the sex...

a variety of sexual acts, ranging from activities done alone (e.g., masturbation) to acts with another person (e.g., sexual intercourse, non-penetrative...

as "sexual intercourse" or "carnal knowledge" are more commonly found in older statutes, while many modern criminal statutes use the term "sexual penetration"...

penetrative anal sex, with the term outercourse used to contrast the term sexual intercourse as vaginal sex. Definitions restricting the terms non-penetrative...

moving the penis up and down to simulate sexual penetration and to create sexual pleasure. Mammary intercourse involves a man kneeling or sitting on a...

positioning of the bodies that people use to engage in sexual intercourse or other sexual activities. Sexual acts are generally described by the positions the...

Dyspareunia (/dɪspərˈuniə/ dis-pər-OO-nee-ə) is painful sexual intercourse due to medical or psychological causes. The term dyspareunia covers both female...

Fingering is sexual stimulation of the vulva (including the clitoris) or vagina by using the fingers. Vaginal fingering is legally and medically called...