Changing demographics of advanced matern
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Robert G. Resta
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Article
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2005
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John Wiley and Sons
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English
โ 107 KB
๐ 2 views
This study documents the changes in the percentages of advanced maternal age (AMA) pregnancies in the United States and in Washington State, underlying demographic factors, the impact on the predicted incidence of Down syndrome, and its impact on Down syndrome screening. Data on births in the United