Why Hasn't Evolution Made Human Childbirth Easier | Tamil | Dr Science

Описание: Why Hasn't Evolution Made Human Childbirth Easier | Tamil | Dr Science

In this video I have explained about how human pregnancy become painful and also i have explained how human pregnancy evolved.

The modern human pattern of birth evolved in a mosaic manner with some unique features appearing early in human evolution and others quite late. A human-like entry of the fetal head into the birth canal was already present among australopithecines as a result of their wide pelvic apertures.

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Why Hasn't Evolution Made Human Childbirth Easier | Tamil | Dr Science

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