A macrosomia test is a comprehensive screening for fetal malformations. The cost of the test varies depending on a number of factors such as the testing organization, region, and testing method, and is usually around $150 to $500. The major screening test is usually conducted between 20 to 24 weeks of pregnancy to screen for fetal malformations and check for congenital developmental abnormalities through comprehensive and systematic fetal ultrasound examination. The ultrasound examination is mainly performed through ultrasound, and 2D ultrasound, 3D ultrasound and 4D ultrasound can be used for the examination of macrosomia. The cost of the test varies depending on a number of factors such as the testing organization, region, and testing method, and is usually around $150 to $500. It is necessary to go to the hospital at the appropriate week of pregnancy to be examined by a professional doctor and undergo regular obstetric checkups, while the specific cost of the examination should be consulted with the hospital and subject to the regulations of the local price department.