Can bleeding be detected immediately pregnant?

In the case of bleeding may not be able to immediately detect pregnancy. If you want to determine whether they are successful pregnancy, you need to decide according to the time of the two sides of the same room or menstrual cycle changes. First click on the bleeding situation, if there is bleeding in the menstrual period these two days may be caused by embryo implantation after pregnancy, you can go to the hospital as soon as possible to do blood tests or in the last sexual life after the two sides of the same room more than 10 days, to the hospital to do blood tests. From the blood hcg changes can confirm whether pregnant. Found that they are pregnant or vaginal bleeding after the situation is more dangerous. Need to be alert to ectopic pregnancy or early pregnancy shows the risk of threatened abortion, a few days can be done again blood review.