clitoris may withdraw slightly lubrication outer swelling muscles tighten reduction diameter ref name schacter orgasm phase breathing becomes extremely rapid pelvic muscles begin series rhythmic contractions men women experience quick cycles muscle contraction lower pelvic muscles women often experience uterine vaginal contractions experience described intensely pleasurable roughly women never experience orgasm half report faked ref name schacter large genetic component associated often women experience orgasm ref name schacter resolution phase muscles
Social science Sociology Sexology Human sexual behavior