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1、Epidemiology and Risk Factors,Incidence: varies from country to country 1: 30001:18500 A life-threatening obstetric complication of labor Underlying factors delays in seeking appropriate care at the onset of labor a poor referral system non-attendance of antenatal care delayed interventions during d
2、elivery lack of skilled human resources and medical consumables,Etiology,Scarred uterus Cesarean section 剖宫产 Myomectomy肌瘤切除术 Obstructed labour Contracted pelvis, CPD (头盆不称) Abnormal fetal position Abnormal fetus Iatrogenic factors (医源性因素) Uterotonics(宫缩剂): Prostaglandins, Oxytocin Surgical injury: m
3、idforceps delivery, breech extraction, internal version,Clinical Manifestation,Threatened uterine rupture Pathologic retraction ring 病理性缩复环 Lower abdominal pain Dysuria排尿困难, hematuria 血尿 Fetal anoxia,Clinical Manifestation,Uterine rupture Incomplete rupture Complete rupture,Diagnosis,History Scarred
4、 uterus Obstructed labour Uterotonics Signs and symptoms Abdominal pain Tenderness Fetal distress,Defferential Diagnosis,Placental abruption History Abdominal sign Ultrasound Intrauterine infection History Fever Elevated WBC count,Management (1),Threatened uterine rupture To inhibit uterine contraction Tocolysis Sedatives: Pethidne, anaesthetic 镇静剂 Cesarean section delivery, immediately,Management (2),Uterine rupture Anti-shock treatment Intravenous infusion Blood transfusion Operation 破口修补或子宫切除（次全）,Precautions?,Perinatal health care High risk population Labor observation Uterotonic 宫缩剂,