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Which one of the following is the correct matching of the events occurring during menstrual cycle?
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- Proliferative phase: Rapid regeneration of myometrium and maturation of Graffian follicle.
- Development of corpus luteum: Secretory phase and increased secretion of progesterone.
- _Breakdown of myometrium and ovum not fertilised_
- _LH and FSH attain peak level and sharp fall in the secretion of progesterone_
Correct Option: B
The corpus luteum is essential for establishing and maintaining pregnancy in females. In the ovary, the corpus luteum secretes estrogens and progesterone, which are steroid hormones responsible for the thickening of the endometrium and its development and maintenance, respectively.
