The cost of antibody potency testing is generally about 100 yuan, but different regions and hospitals charge different standards, it is best to go to a regular large hospital for testing, so that the test results are more accurate. The antibody potency test is a prenatal diagnosis of ABO maternal and child blood group incompatibility, which can prevent and control ABO hemolytic disease as early as possible. Under normal circumstances the antibody potency should be less than 1:64, if the antibody potency is greater than 1:256 easily caused by hemolysis, it is best to take reasonable Chinese medicine under the guidance of a doctor, such as jaundice inhalation punch, etc. It is recommended that regular ultrasound check to see the baby’s development. It is best to eat more fresh vegetables and fruits, and not to eat stimulating food.