Parity and Down syndrome
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Källén, Karin
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Article
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1997
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John Wiley and Sons
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English
⚖ 193 KB
👁 2 views
Previous studies have suggested a positive correlation between grand multiparity and the incidence of Down syndrome (DS). In order to study different parities as risk factors for DS, the Swedish health registries were used, and 2,615 infants with Down syndrome were selected from 2,184,590 infants bo