title: Screening for Down's syndrome. Ratio of femoral length to tibial length needs to be evaluated extensively.
authors.forename: Pooja
authors.initials: P
authors.lastname: Sachdev
authors.forename: Shubhra
authors.initials: S
authors.lastname: Bahl
authors.forename: Jacob M
authors.initials: JM
authors.lastname: Puliyel
mesh_terms: D000886:Anthropometry / Q000379:methods; D004314:Down Syndrome / Q000175:diagnosis*; D005260:Female; D005269:Femur / Q000196:embryology; D005865:Gestational Age; D006801:Humans; D008403:Mass Screening / Q000379:methods*; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods*; D013977:Tibia / Q000196:embryology