A 31-year-old member asked:
what are the typical prenatal tests to check for down syndrome? what week of pregnancy do they typically test for this?
1 doctor answer
Dr. Johanna Fricke answered
50 years experience Developmental and Behavioral Pediatrics
Integrated Prenatal: Screening determines risk of Down Syndrome or other Trisomies, calculated from findings on 1st & , often, 2nd trimester Fetal Ultrasounds, 1st & 2nd trimester specific maternal blood tests + gestational & maternal age, so parents can decide if they want a diagnostic test for analysis of fetal chromosomes. See http://www.womenandinfants.org/pdc/integrated-screening-test for specific markers.
Answered on Nov 9, 2014
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