Background: Neonatal screening is helpful to prevent serious disability and sufferings caused by congenital or inherited disease. This study was to review the status of neonatal screening for congenital hypothyroidism (CH) and phenylketonuria (PKU) in China.
Methods: We analyzed data of neonatal screening for CH and PKU in the past two decades which were obtained from the national network of neonatal screening centers collected by the National Center for Clinical Laboratory.
Results: Of 18.8 million newborns screened from 1985 to 2007, 9198 were identified with CH, giving a prevalence of 1/2047. In 19.0 million newborns screened in the same period, 1638 had PKU, with a prevalence of 1/11 572. An increasing number of neonates have been subjected to neonatal screening in China annually during this period. Data from Zhejiang Neonatal Screening Center showed that the recall rate of neonates suspected with CH and PKU was 95.52% in 2007. Confirmatory tests were performed and treatments were initiated in most of the neonates with CH and PKU within a month after birth.
Conclusions: More governmental support at different levels is needed to make neonatal screening more efficient. The screening should be improved with a satisfactory control system including shorter time of report and a higher recall rate.
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