title: Failure to early prenatal diagnosis in classic achondroplasia.
mesh_terms: D000130:Achondroplasia / Q000175:diagnosis* / Q000000981:diagnostic imaging; D000328:Adult; D005260:Female; D006801:Humans; D008297:Male; D011247:Pregnancy; D011296:Prenatal Diagnosis; D011859:Radiography; D012306:Risk; D014463:Ultrasonography