妇产科学教学课件：9-2abortion.ppt

Case presentation A woman, 26y, G2P0, menstruation: 5-6/28dChief complaint: 6 weeks of menopause, vaginal spotting for 3 days with slight lower abdominal pain Pregnancy test (Urine HCG)：positive What is happening? Managements? Take history - Physical examination - Assistant detection Diagnosis - Differential diagnosis - Treatment 1 ABORTION2 Normal/Abnormal PregnancyNormal Pregnancy：normal duration normal location Abnormal Pregnancy: abnormal duration abnormal location 3 Definition Abortion：spontaneous termination of pregnancy before the 28th week of gestation, the weight of fetus less than 1000g early abortion (before 14th week) late abortion (14th ~ 28th week) 4 Incidence frequency of spontaneous abortion is about 10%-15% Approximately 80% is occurring during the first 14 weeks of pregnancy，in which 2/3 are clinically silent abotion 5 Etiology 6 hysteroscopy 7Normal Uterine cavity uterus septum Intrauterine Adhesion Submucous myoma PATHOLOGYThe process of abortion is the separation and expulsion of pregnancy tissue from uterus death of the embryo hemorrhage in the decidua basalis c. uterine contraction cervical dilatation pregnancy tissue detach exclude 8 clinical presentations amenorrhea vaginal bleeding lower abdominal pain 9 Clinical categories threatened abortion inevitable abortion incomplete abortion complete abortion special forms: missed abortion recurrent abortion septic abortion 10 A. threatened abortion symptoms : slight vaginal bleeding with or without lower abdominal pain signs：c