MCQ
Menstrual flow occurs due to lack of
  • A
    oxytocin
  • B
    vasopressin
  • progesterone
  • D
    $FSH$

Answer

Correct option: C.
progesterone
c
(c) : The corpus luteum secretes large amounts of progesterone which is essential for maintenance of the endometrium. Such as endometrium is necessary for implantation of the fertilized ovum and other events of pregnancy. In the absence of fertilization, the corpus luteum degenerates. This causes disintegration of the endometrium leading to menstruation. The menstrual flow results due to breakdown of endometrial lining of the uterus and its blood vessels which forms liquid that comes out through vagina.

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