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Prenatal testing is cost-effective for pregnant women of any age or risk level, reported Dr. Ryan A. Harris of the University of California, San Francisco, and his colleagues.
Current prenatal testing guidelines suggest offering amniocentesis or chorionic villus sampling to women aged 35 years and older, but these guidelines were designed in the 1970s, when 35 seemed the most cost-effective age for testing, the researchers noted.
The researchers performed a cost-utility analysis by creating a model that followed women from the 10th week of pregnancy (before any testing) through pregnancy, birth, and the women's remaining life expectancies. They used data from case registries and previous studies to perform the analysis, which showed that amniocentesis costs less than $15,000 ...