Physical and psychological growth and development.
D000367:Age Factors; D002648:Child; D002657:Child Development; D002675:Child, Preschool; D003071:Cognition; D005260:Female; D006128:Growth; D006801:Humans; D007223:Infant; D007360:Intelligence; D008124:Locomotion; D008297:Male; D009549:Nigeria; D011606:Psychosexual Development; D012885:Skinfold Thickness; D012959:Socioeconomic Factors