Signs of pregnancy mainly include cessation of menstruation, swelling of breasts, deepening of areola, tingling sensation of nipples, increase in abdominal circumference, and some differences in taste and appetite. The above symptoms are likely to be pregnant, it is best to promptly conduct early pregnancy test or blood and urine HCG test to determine whether pregnancy. After pregnancy, it is necessary to supplement folic acid in time to prevent fetal neural tube development malformation. At the same time, there is also the prevention of anemia, in addition to actively carry out obstetric examinations, such as fetal ultrasound, etc., to ensure the health of the fetus intrauterine pregnancy. Usually pay attention to more rest, eat more fresh vegetables, fruits, do not contact with toxic and harmful substances, avoid exposure to X-ray, less contact with cell phones, television, computers and other electronic products.