Occasional pain in the belly at the beginning of pregnancy may be physiological pain or pathological pain. If the pain is mild and not accompanied by other discomfort, it is considered physiological and can be observed first; however, if the pain is heavy and cannot be relieved after rest, accompanied by vaginal bleeding, vulvar itching and other discomforts, it is recommended to seek medical attention in time to avoid delaying treatment and affecting the growth and development of the fetus. The cause of this condition needs to be clarified and appropriate measures taken. Common causes and related suggestions: a. Physiological factors: some women will have discomfort or occasional pain in the lower abdomen at the beginning of pregnancy, which is caused by the change of hormone level in the body after pregnancy that makes the pelvic cavity congested, on the other hand, it is caused by the squeezing of the pelvic organs after the increase of the uterus, generally the symptoms can be gradually relieved after proper rest. Pathological factors: 1. Premature miscarriage: If a pregnant woman has paroxysmal lower abdominal pain accompanied by vaginal bleeding, it may be a pre-miscarriage. When the symptoms are mild, they can gradually disappear after rest and treatment. If vaginal bleeding increases or lower abdominal pain intensifies, it may develop into unavoidable miscarriage. Pregnant women should go to the hospital in time for early detection and treatment, and use drugs for fetal preservation treatment as prescribed by the doctor. 2. Ectopic pregnancy: If the embryo is laid in one ovary or fallopian tube and ruptures after activity or at a certain period of time, ectopic pregnancy will cause small abdominal pain on one side. It is generally recommended that surgery be performed in a timely manner to avoid serious consequences such as hemorrhage and uterine cavity infection due to rupture of the pregnancy sac; 3. gynecological diseases: vaginitis, cervicitis, cervical polyps and other gynecological diseases can also lead to brown discharge in early pregnancy, pregnant women should be alert and treated in a timely manner, for example, vaginitis can generally be used to wash the vulva with sodium bicarbonate, or apply clotrimazole suppositories for local use, and pay attention to vaginal plugging when When inserting vaginal pills, pay attention to gentle movements to avoid inappropriate operations to induce contractions, resulting in miscarriage. The first and second trimesters of pregnancy are forbidden to have sexual intercourse. 2. diet: do not smoke, drink alcohol, eat less spicy, greasy, fried food, such as hot pot, spicy hot, barbecue, etc., eat more vitamin-rich food, such as vegetables, fruits, etc., moderate Supplementation of folic acid tablets or multivitamin tablets containing folic acid.