The follow-up history of children from multiple pregnancies.
D001034:Apgar Score; D001827:Body Height; D001835:Body Weight; D002657:Child Development; D002675:Child, Preschool; D005260:Female; D005500:Follow-Up Studies; D006128:Growth; D006801:Humans; D007223:Infant; D007226:Infant Mortality; D008297:Male; D009048:Motor Skills; D011247:Pregnancy; D014427:Twins