Progress and Prospects of Newborn Screening in China

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Abstract
Newborn screening (NBS) is a critical component of the three-tiered prevention strategy for birth defects, reducing congenital disorder burden and improving long-term child health outcomes. Over the past 45 years, NBS in China has evolved into a nationwide quality-controlled network driven by policy support and technological advances. Currently, phenylketonuria and congenital hypothyroidism are included in universal NBS across the country, and several provinces have expanded to encompass congenital adrenal hyperplasia, glucose-6-phosphate dehydrogenase deficiency, and additional inherited metabolic disorders identified through tandem mass spectrometry. The application of next-generation sequencing and other technologies has further enhanced detection capacity and expanded detectable disease spectra. Meanwhile, the National Quality Management System for NBS (QMS-NBS) has realized the visualization and standardization of screening quality and performance. Despite these advances, challenges remain, including regional disparities, inadequate follow-up, and long-term management. This review summarizes the historical evolution and policy framework of NBS in China, outlines the development of screening institutions, the spectrum and incidence of screened disorders, advances in detection technologies, and the establishment of QMS-NBS. It also highlights future priorities: expanding screened conditions, strengthening follow-up and long-term care, promoting regional equity, and advancing novel technologies to improve child health and foster precision public health.

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