by Bidita Debnath on  December 8, 2016 at 6:57 AM Women Health News
 Caesarean Births may be Impacting Human Evolution
Continuous usage of c-section or caesarean sections may be impacting human evolution as more mothers now need surgery to deliver a baby due to their narrow pelvis size, claim scientists.

C-section is the delivery of a baby through a surgical incision in the mother's abdomen and uterus.

"Women with a very narrow pelvis pass on their genes encoding for a narrow pelvis to their daughters," Philipp Mitteroecker from the University of Vienna in Austria, was quoted as saying to bbc.com.


Historically, these genes would not have been passed from mother to child as both would have died in labour.

However, today the global rate of cases where the baby could not fit through the maternal birth canal have increased from 30 in 1,000 in the 1960s to 36 in 1,000 births.

That is about a 10-20 percent increase of the original rate, due to the evolutionary effect.

Although, the trend is likely to continue, but not to the extent that non-surgical births will become obsolete, the researchers noted.

The research was published in the journal Proceedings of the National Academy of Sciences (PNAS).

Source: IANS

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