Screening of fetal trisomies by maternal age and fetal nuchal translucency thickness at 10 to 14 weeks of gestation.
Bewley
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D004314:Down Syndrome / Q000473:pathology*; D005260:Female; D005333:Fetus / Q000473:pathology; D005865:Gestational Age; D006801:Humans; D009333:Neck / Q000196:embryology*; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D011296:Prenatal Diagnosis / Q000379:methods*; D014314:Trisomy