Ectopic pregnancy is generally easy to cause stomach pain when rupture, probably in more than 40 days of pregnancy rupture possibility, but not all ectopic pregnancy have stomach pain symptoms. Ectopic pregnancy is the most common tubal pregnancy, most patients have no symptoms, due to delayed menstruation to come to the clinic, usually delayed for more than 10 days, the uterus did not see the gestational sac, combined with the blood of human chorionic gonadotropin that is, HCG and progesterone values, there are specialists to comprehensively determine whether or not the ectopic pregnancy. A few patients will have a small amount of vaginal bleeding, dark red color, one side of the abdomen swelling and pain and other symptoms around 40 days of pregnancy. If there is a rupture of ectopic pregnancy, there will be a tear-like pain in one side of the lower abdomen, accompanied by anal swelling, dizziness, general weakness and other symptoms, bleeding or even hemorrhagic shock. The danger of ectopic pregnancy is very high, once vaginal bleeding, abdominal pain and other symptoms during pregnancy, or examination suspected ectopic pregnancy, it is recommended to promptly seek medical attention, improve the relevant examinations, under the guidance of specialists to actively deal with, so as not to jeopardize the life and health of women.