Women's bodies undergo some of the most intense mechanical demands in human physiology during childbirth and yet the science behind this crucial moment in human life has been largely overlooked for as ...

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

Medical intervention in human birth is now so widespread in industrialized countries that deliveries are seldom spontaneous. Yet with no intervention there is clear persistence of a general mammalian ...

According to a new study, chimpanzees, like humans, must contend with a confined bony birth canal when giving birth. In humans, the problem was exacerbated by our unique form of upright walking since ...