Accept newborn blood-spot and hearing screening, and follow up an abnormal result
A heel-prick blood sample and hearing test can identify conditions such as congenital hypothyroidism, phenylketonuria, and hearing impairment before they are obvious. Early treatment can prevent avoidable developmental harm; for some metabolic conditions, waiting for symptoms can mean irreversible intellectual impairment.
What it takes
In many Chinese areas the basic screening is free or costs tens of RMB; expanded panels may cost extra. Blood-spot screening involves a heel prick after birth.
What you may gain
Article 3 of China's Measures for the Administration of Newborn Disease Screening includes congenital hypothyroidism, phenylketonuria and other inherited metabolic disorders, and hearing impairment in national screening. These conditions may not be apparent initially, and early detection creates opportunities for effective intervention: thyroid hormone replacement for hypothyroidism, specialized formula or dietary treatment for phenylketonuria, and appropriate hearing aids or cochlear implants for hearing loss. Article 10 requires timely notification of guardians after a positive screen so diagnostic confirmation can be arranged.
Context & considerations
Article 11 requires truthful information about screening items, conditions, methods, sensitivity, and cost and signed informed consent. Check which tests belong to the specified basic panel and which are optional paid additions. A positive screen is not a diagnosis; further testing is needed. The source says most initial positives are excluded on repeat testing, but supplies no condition-specific rate, so do not assume a particular probability for your child. Attend repeat hearing screening when requested rather than deciding that apparent responses to sound are enough. Hearing impairment should not be equated with intellectual disability; the source's broad statement about irreversible intellectual harm applies particularly to untreated metabolic conditions.
Research & references
Ministry of Health (2009). Measures for the Administration of Newborn Disease Screening, Order No. 64, Articles 3, 10, and 11. http://www.gov.cn/gongbao/content/2009/content_1371363.htm