Bleeding during pregnancy often requires different treatment measures according to different causes of bleeding, there are often two kinds of situations: First, the cervix is in a state of congestion during pregnancy, and intercourse often tends to cause bleeding on the surface of the cervix, if there is no abdominal pain, the amount of bleeding is small, and the bleeding originates from the surface of the cervix, you can often observe and wait without any treatment, and pay attention to rest. Second, due to the early embryo placenta position is relatively low, coitus will often cause uterine contraction or coitus direct impact, caused by the separation of the uterus and the placenta position and caused by the embryo bleeding, if the amount is small, no abdominal pain, you can lie down to rest, observation, do not have coitus for the time being can be; if the amount of bleeding is large, often accompanied by abdominal pain, need to consult a doctor in time to protect the fetus treatment.