Pregnant women are admitted to the hospital for checkups including: a. Vital signs check, such as body temperature, pulse, respiratory rate, blood pressure, etc. Laboratory tests, including routine blood, urine, coagulation, hepatitis B, syphilis, hepatitis C, AIDS, electrocardiogram, blood type, biochemistry, fetal ultrasound and fetal heart monitoring. If the pregnant woman is combined with diabetes, hypertension, etc., other examinations should be performed. After the pregnant woman is admitted to the hospital, the clinician will perform four obstetric palpation examinations to determine the fetal head in the pelvis, pelvic measurement, measurement of uterine height and abdominal circumference, assessment of fetal size, and determination of whether the delivery is suitable for vaginal delivery. Vaginal examination is performed to assess the fetal previa, the degree of fetal head descent, pelvic outlet and cervical maturity.