中期妊娠引产前必须作出正确的诊断,否则可发生严重后果。1977年1月～1979年6月到我科要求中孕引产者647例,发生误诊3例,误诊率0.46%。介绍如下: 一、过度膨胀的膀胱误诊为急性羊水过多的妊娠子宫例1 住院号126475,26岁,停经4~+月,腹部迅速增大4天,于1977年5月21日入院。末次行经1977年1月中旬,5月中旬起自觉有胎动感,5月18日起感下腹持续性胀痛,渐加剧,下腹日渐增大,曾呕出食物残渣4次,无畏寒、发热,胃口如常,大便干结,小便较短少及有胀坠感,阴道无异常分泌物。1974年曾足月顺产1男婴。体查:一般情况好,自由体位,心尖区可闻三级舒张、收缩期杂音、律整、心 Pregnancy before pregnancy induction must make the correct diagnosis, otherwise serious consequences may occur. From January 1977 to June 1979, 647 cases of induced abortion in our department were requested, and 3 cases were misdiagnosed with a misdiagnosis rate of 0.46%. Described as follows: First, the excessive expansion of the bladder misdiagnosed as acute polyhydramnios pregnancy Uterine cases 1 hospitalization 126475, 26 years old, menopause 4 ~ + month, abdomen increased rapidly for 4 days, on May 21, 1977 admission. The last line in mid-January 1977, mid-May from a conscious fetal motility, May 18 sensation of abdominal persistent pain, gradually increased, the lower abdomen growing, had vomit food residue 4 times, without chills, fever, Stomach appetite, dry stool, less urine and a sense of inflation, no abnormal vaginal discharge. 1974 full-term 1 baby boy. Physical examination: the general situation is good, free position, the apex area can be heard three diastolic systolic murmur law and heart