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 ...

This week, correspondent Jon Wertheim reported from Japan, the land of declining sons and daughters. Over the last 15 years, the East Asian country has seen its population decline, amid low birth ...

HANOI, Vietnam — Vietnam has scrapped a policy that limited couples to have up to two children, as it addresses a declining birth rate and a shrinking working-age population. Vietnamese lawmakers on ...

Childbirth is often framed as a choice between two extremes: “natural” birth or medical intervention. The real challenge is making sure women can decide how they give birth, without pressure in either ...