第一节 妇女一生各阶段的生理特点
embryo Fetal period Pregnancy 10w delivery neonatal childhood 12y late 8y early 4w 19y adolescence 10y
.
18y
+30years
Sexual maturity
40y menopausal transition period
1~2y
10~20y
Postmenopausal period
Fetal period①23+23 46,xx②6w原始性腺分化③y染色体决定分化为卵巢 or睾丸④卵巢形成后,中肾管退化, 副中肾管发育


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