Unformatted text preview: anterior pituitary, and gonads. The principal sex hormones are steroid hormones: in males, androgens, such as testosterone, in females, estrogens, including estradiol and progesterone. 46.5 Please study carefully for Fig. 46.12. If necessary, please review chapter 13 to understand the meiosis process involved in gametogenesis. 46.6 Please study fig. 46.14 to understand what are ovarian cycle and uterine cycle. Combine with Fig. 46.12, can you tell when is the best time to get pregnant? You need to know those curves in Fig. 46.14 well. 46.7 What is endometriosis? What is menopause, why do they happen? 46.8 What is the duration of human pregnancy? How do you define it? 46.9 Please carefully read the section Contraception and Abortion in p. 1016 for your own good! 46.10 Review Chapter 46 in p. 1019-1020....
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- Spring '08
- Human chorionic gonadotropin, in vitro fertilization, sex ual reproduction, principal sex hormones