Nearly tripping in the fourth month of pregnancy is usually not a big problem if there is no collision. If the collision to the abdomen, accompanied by abdominal pain or vaginal bleeding and other discomforts, you need to promptly seek medical examination. Four months pregnant almost tripped, if there is no collision to the abdomen, usually does not appear too much effect, pregnant women should also have no abdominal pain, vaginal bleeding and other symptoms, it is recommended that you can rest more, calm down. If the pregnant woman collided with the abdomen, resulting in vaginal bleeding, abdominal pain and other symptoms, do not rule out the possibility of miscarriage, should immediately seek medical attention, ultrasound examination, if necessary, bed rest and the use of medication to protect the fetus. In conclusion, during pregnancy, pregnant women should pay attention to personal safety, and try to have a family member accompany them when they go out. If there is any abnormality, consult a doctor in time.