For decades, one idea has shaped discussions about human evolution and birth: humans endure unusually difficult childbirth ...

The tight fit of a baby's head through a mother's birth canal, which causes great difficulty in childbirth, is not unique to humans, as previously understood. Instead, some small-bodied primate babies ...

But new evidence has started to challenge the notion that human childbirth is uniquely dangerous. A new paper published today in Nature Ecology & Evolution offers one of the most compelling cases to ...

For centuries, childbirth’s pain was explained as punishment; more recently, as the evolutionary price of walking upright and bearing large-brained babies. But if difficult birth occurs across ...

Human childbirth is commonly viewed as uniquely difficult and dangerous. The reason: the combination of bipedalism and large brains creates a tight fit between the baby and the birth canal. Research ...

Some people leave a lasting impression, but certain birth months seem to carry extra emotional weight when it comes to moving on. Whether due to their personality traits, intensity, or the way they ...

Difficult birth has been recorded in species that seem, at first glance, to have little in common with humans. Even whales and dolphins show obstructed births, despite lacking a fully formed bony ...