As hard as it may to believe it, childbirth wasn’t always the domain of hospitals and OB/GYNs. As recently as a couple of generations ago, people wouldn’t enlist the help of a doctor, but rather that of a midwife. New York City began licensing midwives in the year 1716, and even in those pre-Industrial Revolution days (when bloodletting was all the rage), the birth success rate ran at about...