An Australian woman gave birth to identical quadruplet girls last week. The chance of conceiving monozygotic quadruplets is 1 in 15 million, said Alexa Bendall, a maternal fetal sp

An Australian woman gave birth to identical quadruplet girls last week. The chance of conceiving monozygotic quadruplets is 1 in 15 million, said Alexa Bendall, a maternal fetal specialist.