Question

What is menstrual cycle? Which hormones control menstrual

cycle? Why does it occur?

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Answer 1

Explanation:

• The menstrual cycle is the regular natural change that occurs in the female reproductive system that makes pregnancy possible. The cycle is required for the production of oocytes, and for the preparation of the uterus for pregnancy. The menstrual cycle occurs due to the rise and fall of estrogen......

• A woman's menstrual cycle (monthly period) is controlled by changing levels of certain hormones. These hormones travel through the blood. Two hormones, estrogen and progesterone, play a big role in the menstrual cycle. They are made in the ovaries (where eggs are stored).
• The egg travels through a thin tube called a fallopian tube to the uterus. If the egg is fertilized by a sperm cell, it attaches to the wall of the uterus, where over time it develops into a baby. If the egg is not fertilized, the uterus lining breaks down and bleeds, causing a period.

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Answer 2

Answer:

The cycle of changes which takes place in ovaries and uterus regularly every 28 day or so and is marked by menstrual flow is called a menstrual cycle .

Explanation: