Causes of Bleeding During More Than One Month of Pregnancy Bleeding during pregnancy is a problem that every expectant mother is unwilling to face, especially in the early stages of pregnancy. There are many causes of bleeding. The following explains this problem from many aspects. 1. Ectopic pregnancy Ectopic pregnancy means that the fertilized egg implants not in the uterus, but in the fallopian tube, ovary, cervix, pelvic cavity, etc., causing the pregnancy to fail to develop normally. If you have abnormal vaginal bleeding when you are more than one month pregnant, especially