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

Definition Abruptio Placentae( placental abruption): premature separation of the normally implanted placenta from the uterine wall

北京协和医院：妇产科领域内抑郁的识别和治疗