Mom’s who deliver their babies via C-Section may be contributing to the evolution of the human species.

Every year, the incidence of babies being delivered via caesarean section has been on an uptrend.  Giving birth by this method is usually resorted to if the mother, child, or both are in a precarious situation such that a natural delivery could aggravate their poor condition.  

However, there is a new study suggesting that C-Sections could disturb the natural evolution of humans.

Based on statistics, about 30 in 1,000 mothers gave birth through C-Section back in the 60s. From that time to the present, the figure has risen by 20 percent.  While this growth isn’t that alarming, the study team says C-Sections may have an impact on human evolution.

In the olden days when C-Sections were still unheard of, babies with large heads get stuck in their mother’s pelvis and dies.  In the same vein, mothers with very narrow pelvis have difficulty delivering babies in time for them or both to survive.  In both scenarios, specific genes aren’t passed on successfully due to deaths (mother, offspring or both) during childbirth.

However, with advancements in technology, such scenarios are no longer a problem.  C-Sections could be performed and both mother and child survive the birthing process despite difficulties.  According to Dr. Philipp Mitteroecker of the University of Vienna, a mother with a narrow pelvis will survive at this modern age and she will pass onto her child (a daughter) the same distinct pelvic features.   

The team says that theoretically, this medical intervention disturbs the natural evolution of humans.  However, they could not as yet present strong evidence that could prove this.  Their works merely involved studying available statistics from World Health Organization (WHO) archives.

While there’s confirmation that C-Section procedures for childbirth have become popular particularly among Westerns, the reasons are quite diverse and each one is hard to isolate.  Physicians advise pregnant women past the age of 40 years (first-time moms, especially) to consider C-Section to prevent vaginal tears and other complications of natural childbirth.  Moreover, more and more women have been delaying pregnancies, opting to have a child at a later age.  This, along with other illnesses such as diabetes could also contribute to statistics showing growth in         C-Sections through the years.

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