Psychology 2035A/B Lecture Notes - Lecture 13: Spermarche, Sexual Identity, Sexual Differentiation

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Hormones and sexual differentiation: during prenatal development, the gonads produce androgens (the male hormone, testosterone) causing masculinization of the genitals in the male fetus. At puberty, estrogens and androgens exert trigger maturation of sexual traits and organs in girls and boys, respectively: menarche is the occurrence of menstruation in females, spermarche is the first ejaculation in males. Hormones and sexual behavior: hormone levels affect sex drive in many animals, higher levels of testosterone in women are also linked with higher rates of sexual. In humans, for both men and women, androgens affect sexual motivation. activity. Parents who punish innocent sexual exploration can socialize children to associate guilt and shame with sex. Children benefit from having positive and open conversations about sex with their parents. They have sex at a later age, less often, and have fewer partners: peers. Peers are often the primary source of information for teens regarding sex.

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