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sexual intercourse
(redirected from sex-)

   Also found in: Dictionary/thesaurus, Medical, Wikipedia 0.01 sec.

sexual intercourse

 or coitus or copulation

Act in which the male reproductive organ enters the female reproductive tract (see reproductive system). Various sexual activities (foreplay) lead to physiological changes that progress to orgasm (climax) and resolution (see sexual response). If it is completed, semen passes from the male into the female's body. If conditions favour fertilization, a sperm joins with an egg, and pregnancy begins (see fertility; reproduction); contraception can prevent this. Intercourse with an unwilling female is rape. See also reproductive behaviour; sexuality, human; sexually transmitted disease.


sexual intercourse
the act carried out for procreation or for pleasure in which the insertion of the male's erect penis into the female's vagina is followed by rhythmic thrusting usually culminating in orgasm; copulation; coitus


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Advocates of the sex- positive movement are Ellen Willis, Susie Bright, Patrick Califia and Gail Rubin.
Marital status was not an important predictor of whether a person had read or posted something on a sex-related website or chatted about sex in a chat room, but sexual identity was an important predictor: Gays and bisexuals were more likely than straights to have read or posted something on a sex- related website and were somewhat more likely to have chatted about sex.
 
 
 
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