Abstract: Cesarean scar pregnancy is a rare special type of ectopic pregnancy. With the rising of cesarean section rates in recent years， more and more cases of uterine scar pregnancy were reported. The pathogenesis remains unｃｌｅａｒ， ｂｕｔ ｉｓ ｔｈｏｕｇｈｔ ｔｏ ｂｅ ｒｅｌａｔｅｄ ｗｉｔｈ ｅｎｄｏｍｅｔｒｉａｌ ｉｎｊｕｒｙ． Ｐｏｓｔｍｅｎｏｐａｕｓａｌ ｖａｇｉｎａｌ ｂｌｅｅｄｉｎｇ ｉｓ ｔｈｅ ｍｏｓｔ ｃｏｍｍｏｎ ｓｙｍｐｔｏｍ， ｓｏｍｅｔｉｍｅｓ ａｃｃｏｍｐａｎｉｅｄ ｂｙ ａｂｄｏｍｉｎａｌ ｐａｉｎ． Ｔｒａｎｓｖａｇｉｎａｌ ｕｌｔｒａｓｏｕｎｄ ｉｓ ｎｏｗ ｔｈｅ ｐｒｉｍａｒｙ ｍｅｔｈｏｄ ｏｆ ｄｉａｇｎｏｓｉｓ． Ｔｈｅ malpractice could ｌｅａｄ ｔｏ serious ｈｅｍｏｒｒｈｅａ． Pｒｅｇｎａｎｃｙ ｓｈｏｕｌｄ ｂｅ ｉｍｍｅｄｉａｔｅｌｙ ｔｅｒｍｉｎａｔｅｄ once the diagnosis of cesarean scar pregnancy is made． Ｓｔａｎｄａｒｄ ｔｒｅａｔｍｅｎｔ ｈａｓ ｎｏｔ ｂｅｅｎ ｕｎｉｆｏｒｍed． Ｔｈｅｒｅ ａｒｅ ｓｅｖｅｒａｌ ｔｈｅｒａｐｙｓ， ｓｕｃｈ ａｓ Ｍｅｔｈｏｔｒｅｘａｔｅ， ｄｉｌａｔａｔｉｏｎ ａｎｄ ｃｕｒｅｔｔａｇｅ， ｕｔｅｒｉｎｅ ａｒｔｅｒｙ ｅｍｂｏｌｉｚａｔｉｏｎ ｃｏｍｂｉｎｅｄ ｄｉｌａｔａｔｉｏｎ ａｎｄ ｃｕｒｅｔｔａｇｅ， ｈｙｓｔｅｒｏｓｃｏｐｙ， ｌａｐａｒｏｓｃｏｐｙ ａｎｄ ｈｙｓｔｅｒｅｃｔｏｍｙ．

Key words: Cesarean section, Pregnancy, ectopic, Uterine diseases, Cicatrix, Diagnosis, Therapy