Hawthorn should not be eaten in the fourth month of pregnancy. Hawthorn has the effect of stomachic and blood circulation, and can also stimulate the uterus to cause uterine contractions. Occasional mild contractions usually do not matter and can be relieved after rest, but too frequent contractions can easily cause miscarriage. In addition, hawthorn also tends to stimulate the secretion of stomach acid, which can easily cause acid reflux and other gastrointestinal discomfort. Therefore, pregnant women are advised not to eat hawthorn freely during pregnancy. In the middle of pregnancy, a period of rapid fetal growth and development, pregnant women should pay attention to a reasonable diet, eat more high-quality protein foods, as well as foods rich in vitamins and minerals, eat more vegetables and fruits, and appropriately supplement calcium. According to the health condition of the body appropriate activities to prevent the occurrence of constipation, and at the same time to follow the medical advice of regular pregnancy tests.