Amniotic fluid embolism.
Amniotic fluid embolism (AFE) (also known as anaphylactoid syndrome of pregnancy)is a catastrophic condition that occurs during pregnancy or shortly after delivery. It is found throughout the world in developed and undeveloped countries and occurs at an incidence of between 1 in 80000 live births. In the United States, AFE occurs in 1 in 20000 to 80000 deliveries.