残角子宫为女性生殖器较少见的畸形。残角子宫妊娠是指受精卵着床和发育于残角子宫的异位妊娠，是一种罕见的异位妊娠，误诊率高，剖腹探查前确诊率小于 ５％［１］。我院诊治 ３例报告如下。１病例介绍 例１，３３岁。第二胎。因停经８１ｄ，人流后早孕反应持续存在４０ｄ，妇 Residual horn uterus for female genital less common deformity. Residual angle uterus pregnancy refers to the fertilized egg implantation and ectopic pregnancy in the residual horn uterus, is a rare ectopic pregnancy, misdiagnosis rate, laparotomy confirmed before the diagnosis rate of less than 5% [1]. My hospital diagnosis and treatment of 3 cases are as follows. Case description 1 case of 1,33 years old. The second child. Due to menopause 81d, abortion after early pregnancy reaction persists 40d, women