Head circumference at birth, and on subsequent followup.
D001724:Birth Weight; D002648:Child; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006257:Head / Q000254:growth & development*; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D012846:Singapore