In early pregnancy, if the stomach itself is hot, it may be caused by the metabolic increase after pregnancy, as long as the body temperature is not higher than 38.5 degrees, generally will not affect the development of the gestational sac. If the body temperature increase caused by hot compresses, and hot compresses on the lower abdomen for more than 30 minutes, it may affect the development of the gestational sac. Because in the early stages of pregnancy is not hot compresses lower abdomen, the gestational sac after a long period of heat will increase the incidence of fetal anomalies, may cause preeclampsia or miscarriage, so it is best not to hot compresses lower abdomen during pregnancy. If the body temperature has risen or hot compresses on the lower abdomen, you need to go to the hospital to check to see how the development of the gestational sac. Early pregnancy diet should pay attention to strengthen the nutrition, do not have sex, go to the hospital on time to check, appropriate activities, but to avoid fatigue.