Probiotic Supplementation in Optimizing Iron and Hematological Status Among Pregnant Females

Maternal iron deficiency (ID) and iron deficiency anemia (IDA) is associated with maternal and infant mortality, spontaneous preterm birth, maternal postpartum hemorrhage, and neurocognitive defects in the neonate. Therefore, preventing maternal IDA in at-risk women is critical. The standard approach to improving iron status in pregnancy (i.e., oral iron supplements) is suboptimal and gastrointestinal discomforts associated with this approach (i.e., constipation) impairs adherence. The incidence of ID (18%) and IDA (5%) in pregnant populations suggest alternative interventions are needed to optimize iron status in pregnancy. There is increasing evidence that consuming the probiotic Lactoplantibacillus plantarum 299v (LP299V®) can enhance dietary non-heme iron absorption by changes in the composition and metabolic patterns of gut microbiota that reduce intestinal pH, enhance mucin production and favor an anti-inflammatory milieu. This immunomodulatory effect may be important because inflammation stimulates hepatic production of hepcidin, a master regulator of systemic iron homeostasis, which inhibits iron flow into circulation from diet and body stores. Further, the effects of LP299V® may extend to the placenta. The investigators' team showed previously that maternal iron deficiency is associated with changes to placental iron metabolism with more iron sequestered in the placenta and less iron transferring to the fetus. Given its positive effects on maternal iron status, the i…

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Mary Dawn Koenig, PhD, RN, CNM  ·  312-996-7982  ·  marydh@uic.edu

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