If the pregnancy has reached the third month, and the pregnant woman’s condition is relatively stable, there is no vaginal bleeding, no abdominal pain, and the position of the placenta is normal, then you can have sex appropriately. However, it is still necessary to pay attention to sex life during pregnancy, because the uterus is obviously enlarged during pregnancy, and it will be more sensitive than usual, so the number of times of sex life should not be too many, the frequency should not be too dense, but also pay attention to the amplitude of sex life. If in the process of coitus, the pregnant woman appeared uncomfortable situation to stop in time, in addition, if after sex, the pregnant woman appeared to have increased secretions, and the symptoms of lumbago, also need to consult the doctor in time. If there is a pre-eclampsia or placenta hypoplasia, it is recommended not to have intercourse during the whole pregnancy to avoid causing accidents.