It is more appropriate to do the first labor and delivery test between 11-13 weeks of pregnancy. Before the first delivery test, pregnant women need to establish a pregnancy health care booklet, inform the doctor of the couple’s medical history and family history, as well as determine the gestational week, project the expected date of delivery, measure blood pressure, weight, test blood routine, urine routine, blood type, fasting blood glucose, liver function and renal function, the surface antigen of the Hepatitis B Virus, and syphilis spirochetes, and so on. If you have not had a premarital checkup, pre-pregnancy checkup or have pets at home, etc., you will also need to undergo a parasite checkup program. Usually, there are more checkup items in the first maternity checkup, mainly for the purpose of comprehensively understanding the health condition of pregnant women, so as to ensure the normal growth and development of the fetus. In addition, you need to bring the perinatal health card with you during the pregnancy checkup, so that the doctor can understand the situation of the pregnancy through the information on the card and eliminate the risk factors in a timely manner.