Difficult births are not unique to humans, a new analysis of chimpanzee pelvic bones has revealed. The findings suggest that complicated births may not have arisen in humans as a trade-off between our ...

You've written out your ideal birth plan. You've included everything you want in your 'perfect' childbirth experience. But ...

3D simulation of the birth canal of chimpanzees with (B) the fetal head in a fully extended position, the typical head alignment in apes, and (C) the fetal head in a fully flexed position, the usual ...