Add Yahoo as a preferred source to see more of our stories on Google. Human childbirth may not be unique, a new review finds similar birth risks across many mammals. (CREDIT: Shutterstock) Human birth ...

Human childbirth has long been considered especially risky, owing to upright bodies with large brains moving through narrow birth canals, but it turns out we're no outliers: difficult births are ...

Add Yahoo as a preferred source to see more of our stories on Google. New research finds some small primates face birth canal constraints as severe as, or greater than, those seen in humans. (CREDIT: ...

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 ...

Learn how 3D models of primate birth canals found that squirrel monkeys, bushbabies, and other small species may face a tighter squeeze than humans. A diagram drawn by a primatologist in the 1940s has ...

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 ...

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 ...

The broader message is unsettling and clarifying at once. Human childbirth is risky, but it may not be uniquely risky. Instead, the research suggests that difficult birth is part of a wider mammalian ...