Withdrawal of which of the following hormones is the immediate cause of menstruation?
Correct answer: A. Progesterone
- A. Progesterone
- B. Estrogen
- C. FSH
- D. FSHRH
Explanation
The correct answer is Progesterone. Menstruation is triggered by the withdrawal of progesterone. During the menstrual cycle, the lining of the uterus (endometrium) becomes thicker in preparation for a potential pregnancy under the influence of estrogen and progesterone. If fertilization does not occur, progesterone levels decrease, leading to a shedding of the uterine lining, which is what is observed as menstruation.
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Human reproduction covers the male and female reproductive organs, gamete formation, fertilization, implantation and hormonal regulation. The menstrual cycle includes ovarian and uterine changes controlled by pituitary and ovarian hormones, while sexually transmitted diseases are studied through their causes, transmission, symptoms, prevention and effects on fertility.
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