Pregnancy after drinking alcohol in the same room, in most cases will not have an impact on the fetus. This is because it takes a certain amount of time for the fertilized egg to split and develop after it is formed, especially since it takes several days for implantation to occur, and the alcohol in the body is usually fully metabolized by the time it is several days old, so it does not have much of an effect on the fetus. If you drink alcohol after pregnancy, it may have an effect on the fetus, and in serious cases, it may lead to fetal deformities, miscarriage and so on. It is possible that intercourse after drinking alcohol may affect the quality of semen, but there is a great deal of variation from person to person. After pregnancy, you need to quit smoking and drinking in time to avoid exposure to harmful substances, so as to avoid affecting the growth and development of the fetus, which may lead to serious consequences. You also need to rest more, and after pregnancy you need to have a timely prenatal checkup as well as a card, so you can find out whether the development of the fetus is normal or not. Fetal instability in early pregnancy, need to pay attention to avoid strenuous exercise.