Human newborns arrive remarkably underdeveloped. The reason lies in a deep evolutionary trade-off between big brains, bipedalism and the limits of motherhood.

According to a new report released by the National Health Service, 45% of births were by C-section while 44% were vaginal births For the first time ever, more babies are being born through cesarean ...

Add Yahoo as a preferred source to see more of our stories on Google. Suze Lopez holds her baby boy on her lap and marvels at the remarkable way he came into the world. Before little Ryu was born, he ...