It is generally recommended that the first pregnancy test can be conducted between 6~13+6 weeks of pregnancy, and it is necessary to conduct the pregnancy test on time under the guidance of the doctor. Reasonable and standardized pregnancy checkups can timely detect pregnancy complications and provide early intervention and treatment, as well as timely detection of fetal anomalies and assessment of the safety of the pregnant woman and the fetus to ensure the safety of the mother and child. It is generally recommended that the first pregnancy test be performed between 6 and 13+6 weeks of gestation to establish a pregnancy health handbook and assess the risk of pregnancy. Fasting is required during the first pregnancy test. Laboratory tests, such as blood and urine tests, blood type, liver and kidney tests, fasting blood glucose, Hepatitis B and Candida antibodies, and ultrasonography are also required to determine the gestational week and intrauterine pregnancy. In addition, ultrasound NT (nuchal translucency) is performed at 11-13+6 weeks of gestation.