NEET 2013 Biology question

Menstrual flow occurs due to lack of :

(1)ProgesteroneCorrect
(2)FSH
(3)Oxytocin
(4)Vasopressin

Answer: (1)

Solution

After ovulation, the corpus luteum secretes progesterone, which maintains the thickened, vascular endometrium. If fertilisation does not occur, the corpus luteum degenerates, progesterone level falls, the endometrial lining breaks down and is

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Question ID VK-091454