Question

explain menstrual cycle​

Answer 1

The menstrual cycle is the regular natural change that occurs in the female reproductive system (specifically the uterus and ovaries) that makes pregnancy possible.[1][2] The cycle is required for the production of oocytes, and for the preparation of the uterus for pregnancy.[1] The menstrual cycle occurs due to the rise and fall of estrogen.[3] This cycle results in the thickening of the lining of the uterus, and the growth of an egg, (which is required for pregnancy).[3] The egg is released from an ovary around day fourteen in the cycle; the thickened lining of the uterus provides nutrients to an embryo after implantation.If pregnancy does not occur, the lining is released in what is known as menstruation or a "period".

The 4 stages of menstrual cycle.

The menstrual cycle is complex and controlled by many different glands and the hormones that these glands produce. The four phases of the menstrual cycle are menstruation, the follicular phase, ovulation and the luteal phase. Common menstrual problems include heavy or painful periods and premenstrual syndrome (PMS).

Answer 2

Explanation:

Every month, the menstrual cycle happens. This is the occurrence of changes a woman's body goes through in preparation for the possibility of pregnancy. One of the ovaries releases an egg each month — this process is called ovulation.

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