The cost of preconception examination varies greatly from 500-2000 RMB because of different examination items, hospital level, regional differences, etc. The items of preconception checkup generally include routine internal medicine, gynecological physical examination and related auxiliary examinations. The auxiliary examinations include: routine blood, routine urine, routine examination of leukorrhea secretions, electrocardiogram, liver and kidney function, thyroid function, eugenic virus test, ultrasound and AIDS screening. Many of these tests require blood sampling, and it is advisable to fast before the test to avoid affecting the accuracy of the test results. Gynecological abdominal ultrasound requires holding urine. Pay attention to the order of examination, you can test urine routine after abdominal ultrasound, or directly perform negative ultrasound.