Free pregnancy checkups are decided according to local policies. In most areas, free pregnancy checkups include: routine items, gynecological checkups, ultrasound, and so on. 1. Routine items: blood test, urine test, blood pressure, height, weight, BMI (body mass index), 5 infectious diseases, ABO blood type, electrocardiogram and other basic items to assess whether the pregnant woman is suitable to continue the pregnancy and whether there is any disease affecting the fetus such as Hepatitis B virus, AIDS and so on, so as to avoid infecting the child during pregnancy. 2. Gynecological examination: Gynecological examination during pregnancy is mainly routine leukorrhea, which can determine whether the pregnant woman has vaginitis, cervicitis and other gynecological diseases to avoid causing inflammation and upstream infection, leading to the possibility of miscarriage. 3. Ultrasound: Early pregnancy is mainly used to diagnose whether intrauterine pregnancy and the number of embryos. It is usually free of charge only during the first maternity checkup. The above are free pregnancy checkups. You need to go through the relevant procedures and go to the designated hospital to enjoy these free policies.