If a pregnant woman has a fall in her 4th month of pregnancy, whether the pregnant woman and the fetus will be alright or not should generally depend on the circumstances of the fall and the reaction afterwards. 1. If a woman in her fourth month of pregnancy has a fall, it is usually not a big problem if the fall is not serious and does not injure the abdomen. After the fall, rest and observe for a few days. If there is no vaginal bleeding or abdominal pain, the woman will be fine, and she should pay attention to regular checkups in the future. 2. If a pregnant woman falls very hard or injures her abdomen, there is often something wrong and the fetus may be in danger. If there is vaginal bleeding and obvious abdominal pain after the fall, the problem is usually more serious, and you should consult a doctor in time.