A) levels of oestrogen reach their maximum
B) hypothalamus stimulates the anterior pituitary to increase its output of FSH and LH
C) level of progesterone drops precipitously
D) hypothalamus increases its release-of FSH and LH
Correct Answer: C
Solution :
The menstrual or ovarian cycle is composed of menstrual phase, proliferative phase and secretory phase. The menstrual phase includes the discharge of blood cells, clots, debrjs and unfertilized ovum from uterus. During this phase, progesterone and ostrogen hormones level gets decreased. It indicates the end of reproductive cycle and begining of next oestrous cycle.
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