General Consideration Definition The separation of the placenta from its site of implantation after 20 weeks of gestation or during the course of delivery Frequency 0.51%0-2.33%(our country) 1%o(other countries) Incidence of fetal death

复旦大学：《全科医学概论》课程教学资源（备课笔记）以人为本的健康照顾备课笔记

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

胎盘早剥 Obstetrics is\bloody business Even though the maternal mortality rate has been reduced dramatically by hospitalization for delivery and the availability of blood for transfusion, death from hemorrhage remains prominent in the majority reports From willams obstetrics

复旦大学：《全科医学概论》课程教学资源（备课笔记）以社区为范围的健康照顾备课笔记

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

昆明医学院第一附属医院：《检体诊断学》课程PPT教学课件（讲稿）第二讲 心血管检查（心脏的检查 Examination of the heart）

复旦大学：《全科医学概论》课程教学资源（备课笔记）以问题为导向的健康照顾备课笔记

复旦大学：《全科医学概论》课程教学资源（备课笔记）以预防为先导的健康照顾备课笔记

复旦大学：《全科医学概论》课程教学资源_作业习题