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How do you calculate the number of weeks premature for a child when using ASQ? Do you subtract from 38 or 40 weeks gestation?

When conducting research and data analyses for ASQ-3, the developers used 39 weeks as a full-term pregnancy. To calculate the number of weeks premature, you subtract the gestational weeks at birth (e.g., 35 weeks) from 39 weeks. However, if your program uses 40 weeks (or 38 weeks) as a full term pregnancy, you can continue to do so while using ASQ. 

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  • 15-Jun-2018