Hyperbilirubinemia in breast-versus formula-fed infants in the first six weeks of life: relationship to weight gain. 1983

R T Hall, and W J Braun, and J C Callenbach, and K Metzl, and M B Sheehan, and C G Kurth, and S K Bowen

Bilirubin determinations were obtained at weekly intervals from 1 to 6 weeks of age in 27 breast-fed and 12 formula-fed term, average size infants. Mean bilirubin levels were significantly higher in breast-fed infants at each age studied. The highest mean bilirubin level in each group was present at 1 week of age, 10.6 (+/- SD 4.6) mg/dl in breast-fed and 4.7 (+/- SD 3.0) mg/dl in formula-fed infants. Thereafter, values gradually fell in both groups. Mean birthweight was not different between the two groups; however, breast-fed infants lost significantly more weight (4.8%) by the time of discharge than formula-fed infants (2.2%). Breast-fed infants remained significantly lighter in weight at 6 weeks of age. Analysis of variance and covariance revealed no significant correlation between body weight, weight change in grams or percent weight change, and bilirubin levels in either group. These data indicate that mean bilirubin levels are significantly higher in breast-fed infants compared with formula-fed infants from 1 to 6 weeks of age. Breast-fed infants also have a significantly greater weight loss during the first four days of life and remain lighter at 6 weeks of age; however, there is no relationship of weight loss to bilirubin levels.

UI MeSH Term Description Entries
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D007567 Jaundice, Neonatal Yellow discoloration of the SKIN; MUCOUS MEMBRANE; and SCLERA in the NEWBORN. It is a sign of NEONATAL HYPERBILIRUBINEMIA. Most cases are transient self-limiting (PHYSIOLOGICAL NEONATAL JAUNDICE) occurring in the first week of life, but some can be a sign of pathological disorders, particularly LIVER DISEASES. Icterus Gravis Neonatorum,Neonatal Jaundice,Physiological Neonatal Jaundice,Severe Jaundice in Neonate,Severe Jaundice in Newborn,Jaundice, Physiological Neonatal,Neonatal Jaundice, Physiological
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D001835 Body Weight The mass or quantity of heaviness of an individual. It is expressed by units of pounds or kilograms. Body Weights,Weight, Body,Weights, Body
D001903 Bottle Feeding Use of nursing bottles for feeding. Applies to humans and animals. Bottlefed,Bottlefeeding
D001942 Breast Feeding The nursing of an infant at the breast. Breast Fed,Breastfed,Milk Sharing,Wet Nursing,Breast Feeding, Exclusive,Breastfeeding,Breastfeeding, Exclusive,Exclusive Breast Feeding,Exclusive Breastfeeding,Sharing, Milk
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D001663 Bilirubin A bile pigment that is a degradation product of HEME. Bilirubin IX alpha,Bilirubin, (15E)-Isomer,Bilirubin, (4E)-Isomer,Bilirubin, (4E,15E)-Isomer,Bilirubin, Calcium Salt,Bilirubin, Disodium Salt,Bilirubin, Monosodium Salt,Calcium Bilirubinate,Hematoidin,delta-Bilirubin,Bilirubinate, Calcium,Calcium Salt Bilirubin,Disodium Salt Bilirubin,Monosodium Salt Bilirubin,Salt Bilirubin, Calcium,delta Bilirubin

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