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Puberty

Process of sexual maturation, when completed boys and girls are fertile.

Process beginning

When the PITUITARY GLAND is stimulated by the maturing HYPOTHALAMUS to produce hormones. Stimulating other endocrine glands to produce hormones

Glands in males

Testes

Glands in females

Ovaries

Masculinizing hormones

androgens= testogerone

Feminizing hormones

estrogen

Primary sexual characteristics

directly involved in sex, genitalia

Secondary sexual characteristics

breasts, males deep voices

Menarche

girls first menstruation

Spermarche

Boys first ejaculation

Timing of puberty?

GENETIC FACTORS

environmental factors

higher fat=sooner to start
correlate with mothers
average age 13

sooner in families with high conflict/stress

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