What is the menstrul cyclc ?
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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.
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cyclic changes occurs in the uterus extending approximately a month period ( mesum)
there are three phases
1. poliferative
2. secretory
3.menstrual
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