A drop in body temperature does not have much to do with cessation of labor, to determine whether there is cessation of labor need to go to the hospital for examination, according to the development of the gestational sac can only be known, not based on the body temperature to judge, the two are not directly related. The most important diagnostic method is ultrasound, if the ultrasound suggests that the once well-developed fetal heart and buds disappear, it can be diagnosed as the embryo stops developing. In early pregnancy, if the embryo stops developing, the main symptoms are early pregnancy reaction decreases or suddenly disappears, a small amount of vaginal bleeding and brown secretion, abdominal pain; in mid-pregnancy, if the embryo stops developing, the main symptoms are the disappearance of the fetal movement, the abdomen does not have a significant growth or is smaller than the month of menopause, long time there may be abdominal pain or vaginal bleeding; in the late stage of pregnancy, the fetus develops, and the embryo stops developing, generally will not occur, if it occurs, it will manifest itself as the disappearance of the reaction, the disappearance of fetal movement, and the disappearance of the fetal heart. If it occurs, it will be manifested as the disappearance of pregnancy reaction, the disappearance of fetal movement, redness and other phenomena, and it is recommended to go to the hospital in time to receive treatment. It is recommended that pregnant women monitor the performance of fetal movement on a daily basis, have regular checkups, and go to the hospital for examination if any abnormality occurs. Keep a good mood, strengthen the nutrition, eat more food with high calcium content, avoid staying up late and laboring.