Definition PROM is defined as the rupture of the chorioamniotic membrane before the onset of labor

Definition Placenta previa: Abnormal location- of the placenta over,orin close proximity to the internal os. Incidence: approximately 1 /250 pregnancy nulliparas: 1/1000~1/1500 pregnancy grandmultiparas: 1/20

女性生殖系统解剖 第一节骨盆 (一)骨盆的组成 1.骨盆的骨骼 2.骨盆的关节 3.骨盆的韧带

Pregnancy-induced Hypertension syndrome (Hypertensive disorders complicating pregnancy) Professor of obstetrics and gynecology

General Consideration Diabetes mellitus complicating pregnancy Diabetes mellitus is diagnosed before this pregnancy Gestational diabetes mellitus (GDM) Carbohydrate intolerance of varying degree of severity with onset or first recognition during pregnancy

异常分娩的诊治要点 1产前诊断 2产时诊断 3注重病因学诊断

Physiological Stages Neonatal period: birth---4 weeks Childhood: 4 weeks----12 years Puberty:12 years----18 years Sexual maturation: 18 year-=-50 year Perimenopause: decline of ovarian function(40 years)---1year postmenopause Postmenopause:

General considerations Definition In placenta previa, the placenta is implanted in the lower uterine segment and located over the internal os. It constitutes an obstruction of descent of the presenting part. Main cause of obstetrical hemorrhage Incidence 0.24%-1.57% (our country)

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