Q. Which of the following statement is correct regarding menstruation?

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Solution:

Menstrual cycle is the cycle of natural changes that occurs in the uterus and ovary as an essential part of making sexual reproduction possible. Menstrual fluid cannot easily clot. The end of the cycle of menstruation is called menopause. During the follicular phase, gonadotropins (LH and FSH) increase gradually and stimulate follicular development as well as secretion of estrogen by growing follicles.