Twenty eight term small for gestational age (SGA) infants and 18 term appropriate for gestational age (AGA) infants were studied prospectively to assess bone mineral density and cord serum zinc concentrations. Growth Term healthy infants were recruited in the delivery room; all had been born after uncomplicated pregnancies and deliveries. We excluded infants with clinical conditions known to affect calcium metabolism, such as diabetes or parathyroid, bone, or gastrointestinal diseases, or whose mothers had any of the above. None of the SGA infants had clinical evidence of chromosomal abnormalities, or intrauterine infection, or malformations.The study was approved by the institutional review board of the University Hospital Virgen Macarena and parental informed consent obtained.Birthweight and crown-heel length, head circumference, mid arm circumference, triceps and subscapular skinfolds, and body surface area (between 48 and 72 hours of life) were measured in duplicate by the same investigator (FCV). All these measurements were made using standard techniques. For weight we used F126 Low bone mineral density and cord blood zinc in SGA infants

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