It may be normal to not feel fetal movement at 18 weeks of pregnancy, or it may be embryonic dysplasia or fetal abortion, so it is recommended to seek medical attention and deal with it according to the situation. Common situation 1, the normal phenomenon: in general, pregnant women in about 20 weeks of pregnancy can be more obvious to feel the fetal movement. If the pregnant woman is thin and has less abdominal fat, she will feel the fetal movement more strongly, but if the pregnant woman is fat, abdominal fat, and the placenta is located in the front wall, the time of fetal movement will be postponed, and there may be no situation of 18 weeks of pregnancy. If everything is normal in the obstetric examination, there is usually no need to deal with it; 2, embryonic problems: embryonic dysplasia or fetal abortion may also lead to no fetal movement, you can go to the hospital for fetal heart auscultation. You can use Doppler fetal heart monitoring to hear the activity of the fetal heart at 18 weeks of pregnancy, or you can do an ultrasound examination to see the fetal growth and development in the uterus, and you can also see the fetal heartbeat and fetal movement under the ultrasound, and if there is fetal abortion you need to be hospitalized to terminate the pregnancy as soon as possible. If you can’t feel the fetal movement at 18 weeks of pregnancy, you can continue to observe or consult your doctor during the maternity checkup. It is recommended to go to the hospital within 2 weeks for a checkup to detect the fetal growth and development in time.