1 Female Reproductive SystemMaking Eggs Female Sex Hormones The Ovarian Cycle Marieb: 27

2 Preparing the Egg 250,000 Egg Maturation Stalling meiosis

3 Hormones in the Reproductive SystemAndrogens Estrogens Progesterone Leptin LH FSH

4 Egg Maturation Oocyte Follicle Cell Granulosa Thecal Cells

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6 Ovarian Cycle 28 days* Follicular Phase Ovulation Luteal Phase*Your mileage may vary

7 The Hypothalamic Gonadal AxisLH FSH Inhibin Estrogens

8 Changes in FSH and LH

10 Uterus Responds to Ovarian Hormones