宫角妊娠是指受精卵种植在子宫的角部。宫角妊娠与输卵管间质部妊娠不同,其受精卵附着在输卵管口近宫腔侧,胚胎向宫腔侧发育生长而不是向间质部发育[1]。宫角妊娠属于异位妊娠范畴,发病率极低,但由于症状与体征不典型,不易确诊,常常误诊,现将大庆市大同区计划生育局技术服务站2 Cornual Palace pregnancy refers to the fertilized egg plant in the corner of the uterus. Palace horn pregnancy and tubal interstitial pregnancy is different, the fertilized egg attached to the tubal orifice near the uterine side of the embryo to the uterine side of the growth rather than to the development of interstitial [1]. Palace pregnancy is ectopic pregnancy category, the incidence is very low, but because of the symptoms and signs of atypical, difficult to diagnose, often misdiagnosed, now Daqing Datong District Family Planning Bureau Technical Service Station 2