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
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 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)
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
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
Definition Preterm Labor: Labor occurring prior to the completion of 37 weeks' of gestation (228 weeks), or 196-258 days from the last menstrual period (LMP)
Dystocia literally means difficult labor and it is characterized by abnormally slow progress of labor It is the consequence of four distinct abnormalities that may exist singly or combination