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[Multiple pregnancy and microelements: zinc (preliminary report)]

B Marinov, K Tsachev, A Nikolov

    Akusherstvo I Ginekologiia
    |December 22, 1998
    PubMed
    Summary
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    Women with twin pregnancies have significantly lower serum zinc levels compared to those with single pregnancies. This finding in the third trimester highlights potential nutritional considerations during multiple gestation.

    Area of Science:

    • Obstetrics and Gynecology
    • Human Nutrition
    • Biochemistry

    Background:

    • Zinc is an essential trace element crucial for fetal development and maternal health.
    • Multiple pregnancies, such as twin gestations, impose unique physiological demands on the mother.
    • Altered maternal micronutrient status is a recognized concern in multiple pregnancies.

    Purpose of the Study:

    • To determine serum zinc concentrations in women during the third trimester of twin pregnancies.
    • To compare these zinc levels with those observed in women with singleton pregnancies.
    • To explore potential mechanisms and implications of zinc level differences.

    Main Methods:

    • Serum samples were collected from women in the third trimester of pregnancy.
    • Zinc concentrations were measured using appropriate biochemical assays.

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  • Statistical analysis was performed to compare zinc levels between twin and singleton pregnancy groups.

    • Main Results:

    • A statistically significant decrease in mean serum zinc concentration was observed in women with twin pregnancies (8.1 ± 1.72 mcmol/L).
    • This was significantly lower compared to women with singleton pregnancies (10.5 ± 1.90 mcmol/L), with p < 0.001.
    • The findings indicate a potential zinc deficiency or altered zinc metabolism in twin gestations.

    Conclusions:

    • Serum zinc levels are significantly reduced in the third trimester of twin pregnancies compared to singleton pregnancies.
    • This reduction may be linked to increased fetal demand, altered maternal absorption, or other physiological changes.
    • Further research into the clinical implications and prophylactic strategies for zinc status in multiple pregnancies is warranted.