Sexual desire have been associated with a decline in sexual desire. Though it is not used as medication, the drug methamphetamine has a strong positive effect on many aspects of sexual behaviour, including sexual desire. Sexual desire is said to be influenced by androgens in men and by androgens and estrogens in women. Many studies associate the sex hormone, testosterone with sexual desire. Testosterone is mainly synthesized in the testes in men and in the ovaries in women. Another hormone thought to influence sexual desire is oxytocin. Exogenous administration of moderate amounts of oxytocin has been found to stimulate females to desire
Body odour and sexual attraction psychological studies that women’s preferences for various male traits change throughout the menstrual cycle. Hormonal fluctuation across the menstrual cycle explains temporal variation in women’s judgment of the attractiveness of members of the opposite sex. This is due to the psychological processes that shape the formation and maintenance of human romantic relationships are influenced by variation in hormonal levels. Due to their high hormone content, oral contraceptives have the potential to alter women’s partner preference for a range of male traits, which could have important consequences on sexual relationships, as it alters women’s attraction to their partner and, potentially, to