How long does it take to detect ectopic pregnancy?

Ectopic pregnancy can be detected time is not good to determine, because the position of ectopic pregnancy is not the same. Some women may be pregnant for a month can be detected ectopic pregnancy, some people may be pregnant for two months when they find themselves ectopic pregnancy. Suggestions: once a woman diagnosed with ectopic pregnancy, need to terminate pregnancy in time, so as not to induce massive bleeding.