Pregnant. Continuous bleeding. What's going on?

General female pregnancy after a small amount of vaginal bleeding, and the number of times is less, is a normal phenomenon, but if there is continuous bleeding phenomenon, first of all need to be alert to whether there is ectopic pregnancy phenomenon, it is recommended to seek medical examination in a timely manner. Secondly, if the exclusion of ectopic pregnancy, also need to be alert to threatened abortion caused, still need to check the corresponding fetal protection measures.