[Survey of infant obesity 3 years later].
D001724:Birth Weight; D001824:Body Constitution; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D007223:Infant; D007227:Infant Nutritional Physiological Phenomena; D007564:Japan; D008297:Male; D009765:Obesity / Q000453:epidemiology*