Serum iron, zinc, folacin and vitamin B-12 in pregnant and non-pregnant adolescents

Theresa E. Stroble, Linda A. Vaughan, Melinda M. Manore, Julie D. Spicher

    Research output: Contribution to journalArticle

    2 Citations (Scopus)

    Abstract

    Iron status, blood folacin, vitamin B-12 and zinc were compared for 32 pregnant adolescents and 19 agematched non-pregnant controls. Blood samples were collected during the second and third trimesters (approximately 22 and 34 weeks gestation) and 6 to 8 weeks post-partum from the pregnant subjects and once from the controls. Second trimester pregnant subjects had significantly lower erythrocyte counts (p<0.001), hemoglobin (p<0.001), hematocrit (p<0.001) and serum B-12 levels (p<0.05) compared to the values noted in nonpregnant control subjects. Serum and red blood cell folacin values were significantly higher in pregnant subjects during the second trimester than values in control subjects (p<0.05 and p<0.001, respectively). Erythrocyte count, hemoglobin, hematocrit and serum B-12 were all significantly increased at post-partum as compared to the third trimester period (p<0.05 for all measures). Serum iron and transferrin saturation all decreased significantly between the second and third trimesters (p<0.05), then increased significantly from third trimester to post-partum (p<0.05). Total iron binding capacity (TIBC) showed no significant change between the second and third trimesters, but decreased significantly between third trimester and post-partum (p<0.05). The data indicate this sample of pregnant adolescents is not at significant risk for deficiencies of iron, zinc, folacin or B-12.

    Original languageEnglish (US)
    Pages (from-to)1089-1100
    Number of pages12
    JournalNutrition Research
    Volume9
    Issue number10
    DOIs
    StatePublished - 1989

    Fingerprint

    Third Pregnancy Trimester
    Vitamin B 12
    Folic Acid
    Second Pregnancy Trimester
    Zinc
    Iron
    Serum
    Erythrocyte Count
    Hematocrit
    Hemoglobins
    Transferrin
    Erythrocytes
    Pregnancy

    Keywords

    • Adolescent
    • folacin
    • iron
    • pregnancy
    • vitamin B-12
    • zinc

    ASJC Scopus subject areas

    • Endocrinology
    • Endocrinology, Diabetes and Metabolism
    • Nutrition and Dietetics

    Cite this

    Serum iron, zinc, folacin and vitamin B-12 in pregnant and non-pregnant adolescents. / Stroble, Theresa E.; Vaughan, Linda A.; Manore, Melinda M.; Spicher, Julie D.

    In: Nutrition Research, Vol. 9, No. 10, 1989, p. 1089-1100.

    Research output: Contribution to journalArticle

    Stroble, Theresa E. ; Vaughan, Linda A. ; Manore, Melinda M. ; Spicher, Julie D. / Serum iron, zinc, folacin and vitamin B-12 in pregnant and non-pregnant adolescents. In: Nutrition Research. 1989 ; Vol. 9, No. 10. pp. 1089-1100.
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