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Question

Withdrawal of which of the following hormones is the immediate cause of menstruation?

A
Estrogen
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B
FSH
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C
FSH-RH
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D
Progesterone
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Solution

The correct option is D Progesterone
  • Menstrual flow results due to the breakdown of the endometrial lining of the uterus.
  • Endometrial thickness is maintained by progesterone.
  • Progesterone is secreted mainly from corpus luteum.
  • In the absence of fertilisation, the corpus luteum degenerates. This causes breakdown of the endometrium resulting in menstruation.
  • So, the correct option is 'Progesterone'.

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