Screening for heart defects in the first trimester of pregnancy: food for thought.
Fetal & Paediatric Cardiology, Royal Brompton & St George's Hospitals and Fetal Cardiology, St George's University of London, London, UK. j.carvalho@rbht.nhs.uk
J S
JS
Carvalho
D005260:Female; D005315:Fetal Diseases / Q000000981:diagnostic imaging*; D006330:Heart Defects, Congenital / Q000000981:diagnostic imaging*; D006801:Humans; D011247:Pregnancy; D011261:Pregnancy Trimester, First; D012680:Sensitivity and Specificity; D016216:Ultrasonography, Prenatal / Q000379:methods* / Q000592:standards