α‐FOETOPROTEIN, ALBUMIN AND TOTAL PROTEIN IN SERUM FROM PRETERM AND TERM INFANTS AND SMALL FOR GESTATIONAL AGE INFANTS

Blood serum levels of fetoprotein albumin and total protein were measured for infants of various gestational ages and with various birth weights. Laboratory assays used electrophoresis in agarose gel containing specific antibodies. The alpha fetoprotein levels for boys were numerically higher than for girls; these differences did not show up for either albumin or total protein. Results of the study show alpha fetoprotein levels to be a good indicator of gestational age. This is true because the levels did not differ between groups of infants of the same gestational age but different body weights; the levels did differ for groups of infants with the same birth weight but different gestational ages. In this study alpha fetoprotein levels were higher in preterm than in term infants. Albumin and total protein levels varied according to weight rather than gestational age.

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