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  • Title: Newborn screening in Singapore.
    Author: Joseph R, Ho LY, Gomez JM, Rajdurai VS, Sivasankaran S, Yip YY.
    Journal: Southeast Asian J Trop Med Public Health; 1999; 30 Suppl 2():23-4. PubMed ID: 11400771.
    Abstract:
    Neonatal screening in Singapore for G6PD deficiency started in 1965. Screening for congenital hypothyroidism started in 1981 as a pilot research program and by 1990, it became nationwide. Screening for congenital hypothyroidism is by the measurement of TSH in the cord serum with recall of those exceeding the 99th percentile, by about 3-4 days of life. Treatment is usually started within a week of life. Over 400,000 newborns have been screened and the screening rate has been about 99.95%. The incidence rate is about 1 in 3,000. G6PD activity in the cord blood is measured using semi-quantitative rapid screening tests. Those identified are physically protected from environmental triggers by keeping them in hospital for a variable period of time. Parents are counseled. Data obtained from 22,830 newborns from the National University Hospital revealed incidence rates of 1.62% in all newborns, 3.15% in males and 0.11% in females. The Chinese and Malay males had a higher (3.94% and 2.95%) incidence respectively when compared to the Indian males with (0.66% incidence). The application of the preventive measures has resulted in no report of kernicterus in the last 20 years. Our efforts are now focused on minimizing the recall rate in the case of hypothyroidism screening, reducing the period of stay in hospital in those with G6PD deficiency and considering the introduction of a PKU screening program in Singapore.
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