In men and women sexual arousal culminates in orgasm, with female orgasm solely from sexual intercourse often regarded as a unique feature of human sexuality. However, orgasm from sexual intercourse occurs more reliably in men than in women likely reflecting the different types of physical stimulation men and women require for orgasm. In men, orgasms are under strong selective pressure as orgasms are coupled with ejaculation and thus contribute to male reproductive success. By contrast, women's orgasms in intercourse are highly variable and are under little selective pressure as they are not a reproductive necessity.. The proximal mechanisms producing variability in women's orgasms are little understood.
The 'orgasm gap': Why it exists and what women can do about it
Female Sexual Arousal: Genital Anatomy and Orgasm in Intercourse
HealthDay —Despite what's often portrayed in movies and on TV, most women can't orgasm with penetration alone during sexual intercourse. And simple anatomy is to blame, a new evidence review suggests. Each woman's ability to orgasm during sex depends almost wholly on physical development that occurred while she was still in the womb, according to the review authors. During gestation, the clitoris begins to drift up and away from the vaginal opening, the researchers said.
Anatomy may be key to female orgasm
Sexual dysfunction refers to a problem during any phase of the sexual response cycle that prevents the individual or couple from experiencing satisfaction from the sexual activity. Hormones play an important role in regulating sexual function in women. With the decrease in the hormone estrogen that is related to aging and menopause , many women experience some changes in sexual function as they age. Poor vaginal lubrication and decreased genital sensation are problems associated with changes in estrogen levels.
Orgasms can help reduce stress, improve your skin, and make you feel, well, great. However, for many women, orgasms — especially those achieved through penetration — can be just as elusive as the mysterious G spot. In fact, according to a study, only about 18 percent of women achieve orgasm through penetration alone — meaning no hands, mouth, or toys needed. More often than not, clitoral stimulation is required, or at least beneficial, when it comes to orgasming during sex.