If the mammalian ovum fails to get fertilized | vedclass

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(B) In the human menstrual cycle,if fertilization does not occur,the corpus luteum begins to degenerate. As the corpus luteum degenerates,it stops pro

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Secretion of progesterone decreases rapidly.

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(B) In the human menstrual cycle,if fertilization does not occur,the corpus luteum begins to degenerate. As the corpus luteum degenerates,it stops producing the hormone progesterone. $A$ rapid decrease in the level of progesterone leads to the breakdown of the uterine endometrium,which results in menstruation. Therefore,the correct event is the rapid decrease in the secretion of progesterone.

If the mammalian ovum fails to get fertilized,which event occurs in the cycle?

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