There are many causes of ectopic pregnancy in women, mainly inflammation and other causes, as follows: 1. Inflammation: about 1/3 of ectopic pregnancy patients are caused by chronic inflammation of the fallopian tubes, which, if not treated in time, can easily lead to adhesions of the fallopian tube mucosa, resulting in the fallopian tube not being open. The woman’s ectopic pregnancy can also be caused by other reasons: the wandering of the fertilized egg, tubal malformation, abnormal development of the fallopian tube and so on. When ectopic pregnancy is confirmed, women need to undergo surgery immediately to avoid life-threatening hemorrhage.