Is pregnant coitus sperm shot inside to have an effect on the fetus

Under normal circumstances, pregnant coitus sperm injection will not cause any impact on the fetus, but semen contains prostaglandin, easy to induce uterine contractions, and even increase the risk of abortion, premature delivery, especially in the first three months of pregnancy, this time fetal development is not very stable, if coitus causes uterine contractions, may lead to abortion or threatened abortion, and in the third trimester can not coitus, otherwise easy to lead to premature rupture of membranes, premature delivery and so on. In the middle of pregnancy, the general fetal development is relatively stable, can be appropriate in the same room, try not to inject sperm into the vagina, should pay attention to the use of condoms, do not press the pregnant woman's abdomen in the same room, the time can not be too long.