Morris suggested that the relative difficulty in achieving female orgasm, in comparison to the male's, might be favorable in Darwinian evolution by leading the female to select mates who bear qualities like patience, care, imagination, intelligence, as opposed to qualities like size and aggression, which pertain to mate selection in other primates. The names don't actually indicate different types of orgasms, but indicates the type of genital stimulation triggering the orgasm. Complete data, which included both a genital measurement and an assessment of the occurrence of orgasm in intercourse, was available for 37 of the 44 subjects. Considerations sur les causes anatomiques de frigidite chez la femme. Women's orgasms are preceded by erection of the clitoris and moistening of the opening of the vagina.
We tested this hypothesis by subtracting 0.
Female Sexual Arousal: Genital Anatomy and Orgasm in Intercourse
Studies of same and mixed sex twins could directly test the hypothesis that small differences in prenatal androgen exposure affect CUMD, with women with female co-twins having smaller CUMD measurements than would women with male co-twins. The names don't actually indicate different types of orgasms, but indicates the type of genital stimulation triggering the orgasm. Retrieved 12 December Interestingly, natural variation in female rat AGD predicts better adult reproductive function and earlier e. Unresolved is whether this increased likelihood of orgasm with shorter CUMD reflects increased penile-clitoral contact during sexual intercourse or increased penile stimulation of internal aspects of the clitoris.