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The Role of Early Pregnancy Maternal Selenium Levels on the Risk for Small-for-Gestational Age Newborns.


ABSTRACT: It has not yet been established, whether or not the maternal serum selenium (Se) in early pregnancy may be a risk marker of small-for-gestational age (SGA) birth weight. Selenium is important for human health and is involved in oxidative balance, a key element in the development of the placenta and fetus. This innovative study was nested in a prospective cohort of 750 women recruited in the 10-14th week of a single pregnancy, all of whom were healthy during recruitment. We examined mothers delivering SGA infants (with birth weight <10th percentile) (n = 48) and matched mothers delivering appropriate-for-gestational age (AGA) infants (between 10-90th percentile) (n = 192). We measured the maternal microelement concentrations in the serum from the 10-14th gestational week, using the inductively coupled plasma mass spectrometry (ICP-MS). The odds ratios of SGA (and 95% confidence intervals) were assessed in logistic regression. The mean maternal Se concentrations were lower in mothers in the SGA group compared to the AGA group (59.60 vs. 62.54 µg/L; p = 0.020). Women in the lowest Q1 quartile of Se (?56.60 µg/L) have about three times higher risk of SGA compared to women in the higher quartiles (Q2 or Q4); the odds ratio of SGA was OR = 3.02 (p = 0.019) for Q1 vs. Q2 quartile. The risk profile graph confirms the results. We found that excessive pre-pregnancy BMI (body mass index) affected the estimated SGA odds ratios. Early pregnancy maternal serum selenium status can be a risk marker of SGA newborns and more research is needed in larger groups.

SUBMITTER: Lewandowska M 

PROVIDER: S-EPMC6836167 | biostudies-literature | 2019 Sep

REPOSITORIES: biostudies-literature

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The Role of Early Pregnancy Maternal Selenium Levels on the Risk for Small-for-Gestational Age Newborns.

Lewandowska Małgorzata M   Sajdak Stefan S   Lubiński Jan J  

Nutrients 20190926 10


It has not yet been established, whether or not the maternal serum selenium (Se) in early pregnancy may be a risk marker of small-for-gestational age (SGA) birth weight. Selenium is important for human health and is involved in oxidative balance, a key element in the development of the placenta and fetus. This innovative study was nested in a prospective cohort of 750 women recruited in the 10-14th week of a single pregnancy, all of whom were healthy during recruitment. We examined mothers deliv  ...[more]

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