Biology, asked by Twinklestar11, 1 year ago

Why menstrual period comes monthly not yearly or daily


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Answers

Answered by GeniusShweta
4
Because ova release in one month means in 28 days

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Answered by Ksgopika
3
The uterus prepares everymonth to receive the fertilized egg. It becomes thickly nourished with blood and it's lining become soft and delicate. The egg is released by ovary every month. So if egg is not fertilized then menstruation happens every month.

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