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Watch: History and evolution of periods

How you ever wondered why do women have periods?

Very few mammals menstruate and we are one of them. Apart from us, the only mammals that share this trait are elephants shrews, monkey, apes, female dogs and certain bats.

However according to TED-ED we menstruate more then these animals. Have we ever thought how all this begin and what’s the logic behind it? Why do women have periods?

Wondered what’s the sense behind this biological process?

TED-Ed describes the history and evolution of menstruation.

Click here to watch the video:

( Source : Deccan Chronicle. )
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