Generally speaking, it is normal to have no obvious feeling in the stomach during the third month of pregnancy, and there are some differences in the pregnancy reaction due to individual differences. The uterus in the third month of pregnancy in the female pelvic cavity, the gestational sac is small, pregnant women can not feel the movement of the fetus. Most pregnant women feel fetal movement around the 4th month of pregnancy, and women who are pregnant may advance. At this time, if the pregnant woman’s body type is thin, and the abdomen can already see the enlarged uterus, but she does not feel the fetal movement, in this case, she needs to go to the hospital to do ultrasound to check the normal development of the fetus or not. In the third month of pregnancy, pregnant women need to go to the hospital for ultrasound, NT examination, blood system screening, such as blood routine, urine routine, coagulation series, liver and kidney function, blood biochemistry, Hepatitis B, syphilis, AIDS, etc., to observe the development of the fetus, and if there is any abnormality, to be treated under the guidance of the doctor.