{UAH} Why do Women Have Periods while animals don't?

Any clue here? Drs Edward Kayondo and Muwilanda

BBC Two

5 hrs ·

Most modern women have 300-500 periods.

Why do women have periods when most animals don't?

Apart from humans and our close relatives, the only animals that menstruate are elephant shrews and certain bats. Why did it only evolve in these species?

bbc.com|By Shreya Dasgupta

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