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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
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What is the risk of downs syndrome in a 35-year-old pregnant woman?
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The correct answer is  Age of the motherRisk of Down&;s syndrome351 in 250361 in 192371 in 149381 in 115391 in 89401 in 69Reference: William's obstetrics; 25th edition; Chapter 14; Prenatal Diagnosis