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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.
user
At 35years Maternal age-related risk for Down syndrome in singleton pregnancy at midtrimester is
assistant
The correct answer is  Maternal Age-Related Risk for Down Syndrome at Midtrimester in Singleton PregnanciesAgeMidtrimester351/250371/149401/69411/53421/41431/31441/25451/19(Ref: William's Obstetrics; 25th edition)