Once you know you are pregnant, you should have a prenatal checkup to determine the week of pregnancy and the health of the mother and child. Prenatal checkups include routine checkups and health education. 1. Routine examination: including history taking, comprehensive physical examination and gynecological examination. (1) Medical history: inquire whether there are high-risk factors for pregnancy, such as age <18 or >35; whether there are diseases such as high blood pressure and heart disease; whether there are hereditary diseases; and estimate and check the expected date of delivery. (2) Physical examination: observation of nutrition and mental status; measurement of blood pressure and weight, and presence of edema. (3) Obstetric examination: measure pelvic size, uterine size and fetal heart rate. (2) Health education: provide guidance on nutrition and lifestyle, avoid contact with toxic and harmful substances and pets, and use medication with caution. If pregnancy is detected, you should go to the hospital in time for a comprehensive and adequate prenatal examination to protect the health of mother and child.