It is possible to have intercourse during pregnancy, but it depends on the time of pregnancy to decide whether it is possible. Generally, intercourse is in the middle of pregnancy, but not in the early pregnancy and the second trimester. If you have intercourse in the first trimester, it is likely to cause a spontaneous abortion of the baby. Having intercourse in the last trimester may cause premature rupture of the membranes and placental abruption, which may lead to premature birth of the newborn. In the middle of pregnancy should also pay attention to the frequency and intensity of intercourse, generally appropriate intercourse, so that there is no impact on the body, pregnant women. If you really want to have intercourse, it is best to use the woman on top of the man in this position, it will not lead to the risk of premature rupture of the fetal membranes and placental abruption.