Suddenly not throwing up is not necessarily fetal stoppage, it may be the early pregnancy reaction symptoms are reduced, early pregnancy reaction is in the third month of pregnancy can disappear, each person’s situation is different, recovery will be earlier, some of the whole pregnancy is no reaction, you can go to the hospital ultrasound examination, as long as the fetal development is normal. If the body hormone decline will also cause pregnancy vomiting disappears, you can take blood to check progesterone and HCG, if it decreases, it will easily cause miscarriage, it is best to take fetal preservation drugs in time, if there is fetal abortion will appear abdominal pain, bleeding, early pregnancy reaction will also disappear, it is best to regular maternity checkups to determine the development of the fetus. If fetal abortion occurs, it is recommended to abort in time, if the fetus stays in the uterus for too long, it is easy to cause intrauterine infection.