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Questions and Answers
What percentage of trisomy 21 pregnancies conceived end as spontaneous abortions or stillbirths?
What percentage of trisomy 21 pregnancies conceived end as spontaneous abortions or stillbirths?
What is the approximate incidence of Down syndrome amongst livebirths?
What is the approximate incidence of Down syndrome amongst livebirths?
What is the most common cause of trisomy 21?
What is the most common cause of trisomy 21?
What percentage of trisomy 13 conceptuses result in livebirths?
What percentage of trisomy 13 conceptuses result in livebirths?
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What is the approximate incidence of Patau syndrome amongst liveborn infants?
What is the approximate incidence of Patau syndrome amongst liveborn infants?
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What percentage of trisomy 18 conceptuses end as early spontaneous abortions?
What percentage of trisomy 18 conceptuses end as early spontaneous abortions?
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What percentage of spontaneous abortions will have trisomy 18?
What percentage of spontaneous abortions will have trisomy 18?
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What is the approximate incidence of Edward's syndrome amongst livebirths?
What is the approximate incidence of Edward's syndrome amongst livebirths?
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What percentage of stillbirths will have trisomy 21?
What percentage of stillbirths will have trisomy 21?
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What percentage of spontaneous abortions will have trisomy 21?
What percentage of spontaneous abortions will have trisomy 21?
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