The At Risk (Observation) Register. A survey and introduction of a new scheme.
D002675:Child, Preschool; D000013:Congenital Abnormalities / Q000175:diagnosis*; D005260:Female; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008131:London; D008427:Maternal Health Services; D011247:Pregnancy; D011295:Prenatal Care; D011336:Probability; D012042:Registries