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
Transgender hormone therapy Transgender hormone therapy Transgender hormone therapy, also sometimes called cross-sex hormone therapy, is a form of hormone replacement therapy (HRT) in which sex hormones and other hormonal medications are administered to transgender or gender nonconforming individuals for the purpose of more closely aligning their secondary sexual characteristics with their gender identity. This form of HRT is given as one of two types, based on whether the goal of treatment is feminization or masculinization: Some intersex people may also undergo HRT, either starting in childhood to confirm the sex they were assigned at birth, or later in order to align their