Question

Mention the relationships between pituitary and ovarian hormones during a menstrual cycle.

Answer 1

Dear Student

With the start of a menstrual cycle, pituitary releases FSH hormone which stimulates ovaries to start the formation and maturation of eggs.
With the maturation of these follicles, estrogen level rises in the body indicating the formation of the mature egg.
This leads to the completion of the follicular phase.
The pituitary gland now produces LH hormone which causes the release of an egg from ovary . This process is called ovulation. After ovulation, there is beginning of luteal phase during which level of progesterone in the body starts increasing.
Progesterone hormone maintains the lining of the wall of the uterus for pregnancy.
If fertilization does not occur then progesterone level falls and menstrual flow begins.

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