本文将我院不典型胎盘早剥误诊为先兆早产2例分析如下。1病历摘要例1:女,24岁。主因宫内孕34周、1胎、下腹部伴腰骶部疼痛2 h入院。患者孕期经过顺利,未按时产检,否认高血压及其他特殊病史。查体:T 36.7℃,BP 140/90 mm Hg,心肺查体未见异常,腹软,无压痛,子宫敏感(+),先露儿头, This article will be misdiagnosed as atypical placental abortion in our hospital as a precursor of preterm birth in 2 cases analyzed as follows. 1 Medical Summary Example 1: Female, 24 years old. The main reason for intrauterine pregnancy 34 weeks, 1 child, lower abdomen with lumbosacral pain 2 h admission. Patients during pregnancy through the smooth, not on time maternity test, denied high blood pressure and other special medical history. Examination: T 36.7 ℃, BP 140/90 mm Hg, no abnormal cardiopulmonary examination, abdominal softness, no tenderness, uterine sensitivity (+), first revealed the child head,