Prenatal fetal heart structures identified by two-dimensional echocardiography.
D004452:Echocardiography; D005260:Female; D005318:Fetal Heart / Q000002:abnormalities / Q000033:anatomy & histology*; D006330:Heart Defects, Congenital / Q000175:diagnosis; D006801:Humans; D011247:Pregnancy; D011296:Prenatal Diagnosis / Q000379:methods