Definition of AFE AFE is rare obstetric emergenc in which amniotic fluid, fetal cells, hair, or other debris enter the maternal circulation, causing cardiorespiratory collapse
General Consideration Antenatal cardiovascular changes Blood volume increase by 40%-60%0 Peaking at 32-34 weeks the expansion in plasma volume is greater than that expansion of red cell mass Cardiac output Increase by 40%6-50% Peaking at 20-24 weeks