How to bleed a few days after pregnancy

Early pregnancy if the following shows irregular vaginal bleeding, first need to go to the hospital to test HCG, and the next day for review, because normal intrauterine pregnancy HCG will multiply the next day, if the next day does not multiply, or is declining, but also need to carry out ultrasound examination. Because in pregnancy about five weeks, ultrasound intrauterine can see pregnancy sac, if ultrasound tips intrauterine no pregnancy sac, and HCG irregular increase, accompanied by irregular vaginal bleeding, it is necessary to consider the possibility of ectopic pregnancy.