Once upon a time, mortality rate of the pregnant women were higher at the male doctor than the traditional female midwife. Some people try to explain that stat

Once upon a time, mortality rate of the pregnant women were higher at the male doctor than the traditional female midwife. Some people try to explain that statistics with a hypothesis that the presence of male doctor stress the pregnant women. The real reason was, male doctor at that time treat pregnant woman immediately after they perform the dissection WITHOUT washing their hands! Killing pregnant women by infection.