Pregnancy test is a special examination done by women during pregnancy, and the examination items are more comprehensive, mainly to clarify whether the body is healthy and suitable for conceiving a fetus. Pregnant women need to undergo different examinations in different pregnancy cycles, which can be divided into the following categories according to the number of weeks of pregnancy: 1. early pregnancy (within 12 weeks): mainly check weight, blood pressure, blood routine, urine routine, liver function, kidney function, five infectious diseases, thyroid function, electrocardiogram, early ultrasound, etc., and if necessary, heart ultrasound; 2. middle pregnancy (16-28 weeks): mainly conduct Down’s syndrome screening, gestational diabetes screening, systemic ultrasound, as well as uterine height, abdominal circumference, blood pressure, weight, etc.; 3. Late pregnancy (32-40 weeks): mainly routine blood, urine, blood pressure, weight, fetal heart monitoring, liver and kidney function and coagulation, etc., and possibly internal gynecological examination to assess pelvic conditions. Therefore, different tests should be given to pregnant women at different weeks of pregnancy to obtain more comprehensive information and to ensure the health of the pregnant woman and the fetus. It is important to pay attention to fetal movement in late pregnancy and if abnormalities are found, seek immediate medical attention to avoid accidents.