Live birth has evolved independently more than 150 times. The underlying biophysical processes all look quite similar, but new research shows they use completely different genetic tools.
With few exceptions, humans require assistance at birth, usually from an experienced elder, midwife or medical practitioner, and it seems assisted birth is also common among other primates, writes Darren Curnoe.
Women who give birth in public hospitals are more likely to suffer serious complications and their babies are at greater risk of death, UNSW research shows.
