Pain in the small abdomen during pregnancy is considered to be a symptom mainly caused by pre-eclampsia miscarriage. In general, the fetus is full term only at 37 weeks of pregnancy. If abdominal pain occurs after full term, it is a uterine contraction, then it is a symptom of preterm labor. Before the full term, small abdominal pain can lead to premature delivery of the fetus, you need to go to the hospital for ultrasound examination in time. At the same time, bed rest is recommended and attention should be paid to fetal preservation. During pregnancy, it is necessary to prohibit intercourse, prohibit strenuous exercise, take more rest and do pregnancy tests regularly.