Abstract Title:

Effects of Probiotic Supplementation on Metabolic Status in Pregnant Women: a Randomized, Double-blind, Placebo-Controlled Trial.

Abstract Source:

Arch Iran Med. 2016 Oct ;19(10):687-682. PMID: 27743432

Abstract Author(s):

Mehri Jamilian, Fereshteh Bahmani, Zahra Vahedpoor, Ali Salmani, Maryam Tajabadi-Ebrahimi, Parvaneh Jafari, Shahrzad Hashemi Dizaji, Zatollah Asemi

Article Affiliation:

Mehri Jamilian


BACKGROUND: Limited data is available on the effects of multispecies probiotic supplementation on metabolic status in pregnant women in the first half of pregnancy. The current study was carried out to determine the effects of multispecies probiotic capsule supplementation on metabolic status among pregnant women in the first half of pregnancy.

METHODS: A randomized clinical trial was conducted among 60 pregnant women aged 18-37 years. The participants were randomly divided into two groups: group A (n = 30) received multispecies probiotic supplements containing three probiotic bacteria spices Lactobacillus acidophilus, Lactobacillus casei, Bifidobacterium bifidum (2× 109 CFU/g each) and group B (n = 30) received placebo from 9 weeks of gestation for a duration of 12 weeks. Fasting blood samples were taken at the beginning of the study and after 12 weeks of intervention to determine metabolic profiles, inflammatory cytokines and biomarkers of oxidative stress.

RESULTS: After 12 weeks of intervention, compared to the placebo group, the pregnant women who consumed probiotic capsule had significantly decreased serum insulin concentrations (-1.5± 4.8 vs. +1.3 ± 5.2 µIU/mL, P = 0.03), the homeostasis model of assessment-estimated insulin resistance (HOMA-IR) (-0.3 ± 0.9 vs. +0.3 ± 1.1, P = 0.04), the homeostasis model of assessment-estimated b cell function (HOMA-B) (-7.2 ± 23.1 vs. +5.3 ± 22.6, P = 0.03) and increased quantitative insulin sensitivity check index (QUICKI) (+0.01 ± 0.05 vs. -0.01 ± 0.02, P = 0.03). In addition, changes in serum triglycerides levels (-14.7 ± 46.5 vs. +37.3 ± 74.2 mg/dL, P = 0.002), high-sensitivity C-reactive protein (hs-CRP) (-1.0 ± 2.6 vs. +1.7 ± 4.3 mg/L, P = 0.004), plasma nitric oxide(NO) (+6.8 ± 9.3 vs. -4.7 ± 7.4 µmol/L, P<0.001), total antioxidant capacity (TAC) (+171.9± 187.6 vs. -51.9 ± 208.8 mmol/L, P<0.001) and glutathione (GSH) concentrations (+34.3± 71.6 vs. -36.9 ± 108.3 µmol/L, P = 0.004) in supplemented women were significantly different from those of the placebo group. However, after controlling for baseline levels, age and BMI at the study baseline, the changes in plasma GSH were not significantly different between the groups.

CONCLUSION: Overall, probiotic supplementation for 12 weeks among pregnant women in the first half of pregnancy had beneficial effects on markers of insulin metabolism, triglycerides, biomarkers of inflammation and oxidative stress.

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