Pregnancy can cause dry heaving in women. The chorionic gonadotrophin hormone in a woman’s body will gradually increase after pregnancy, and the hormone will reach its peak around 42 days of pregnancy, which will cause pregnancy reactions in pregnant women, especially dry heaving in the morning will be more obvious. Some women will have dry heaving symptoms after 30 days of pregnancy, and some women may not have dry heaving and pregnancy reactions during the whole pregnancy, which is normal, and the reactions will be different for each person’s body type. In addition, if women have been dry vomiting during pregnancy may be caused by gastrointestinal disorders, or the stomach caused by Helicobacter pylori infection, pregnant women can regulate the gastrointestinal, eat more easily digestible food in the diet, do not eat food that stimulates the stomach, will relieve the symptoms of dry vomiting.