Q. 6 :- Why does menstruation occur?
In each ovulation cycle, an egg is released from the ovary which is transferred to the fallopian tube. Additionally, the uterus prepares itself for a possible pregnancy. The lining of uterus thickens. When no conception happens, the lining of the uterus is shed in fragments; along with the unfertilized egg. These things are released out through the vagina in the form of bleeding; called menstruation.
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