A woman has a regular menstrual cycle and is most likely to ovulate around the middle of the cycle. Which ovarian event occurs immediately before ovulation?
Correct answer: A. Growth of a dominant ovarian follicle
- A. Growth of a dominant ovarian follicle
- B. Formation of the corpus luteum
- C. Degeneration of the endometrium
- D. Release of progesterone from the placenta
Explanation
The follicular phase includes growth and maturation of a dominant ovarian follicle before ovulation. The corpus luteum forms after ovulation, endometrial shedding occurs during menstruation, and the placenta does not produce progesterone before pregnancy is established.
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About Reproductive System
The reproductive system covers the male and female reproductive organs, gamete formation, the menstrual and ovarian cycles, fertilization, implantation and pregnancy. It explains the roles of FSH, LH, oestrogen, progesterone and testosterone, while distinguishing spermatogenesis from oogenesis and the reproductive organs from the accessory glands.
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