Fetal hemolysis is not felt by pregnant women under normal circumstances, but when hemolysis is very serious, pregnant women may feel reduced fetal movement or abdominal distension, as follows: 1. Reduced fetal movement: When hemolysis is more serious, intrauterine hypoxia of the fetus may occur, or even fetal death in the uterus. In this case, the number of fetal movements will be significantly reduced, after less than 5 times per hour, pregnant women will feel a decrease in fetal movement, you need to promptly seek medical attention, fetal heart monitoring or ultrasound examination, according to the examination, as appropriate. 2, abdominal distension: fetal hemolysis can cause fetal anemia, edema, excessive amniotic fluid, pregnant women can feel bloated. Pregnant women should do regular and active maternity checkups to ensure timely detection of fetal hemolysis. Blood sampling, special biochemical indicators and regular testing of anti-D antibody titers can detect the presence and severity of hemolysis in the fetus with the advice of the doctor. If abnormalities are found, they can be treated promptly and if the pregnancy is already over 37 weeks, a cesarean delivery can be considered.