Gestational diabetes & diabetes in pregnancy

Effect of vitamin D combined with probiotic-assisted insulin pump on glucose-lipid metabolism, intestinal flora and pregnancy outcome in gestational diabetes mellitus

Endocr PractPublished Randomised controlled trial

Authors' conclusion

Compared with insulin pump plus vitamin D therapy, the addition of probiotics may improve blood glucose and lipid metabolism in GDM patients, maintain intestinal microbiota balance, and reduce the risk of adverse pregnancy outcomes.

Study context

Population
Gestational diabetes mellitus (GDM) patients admitted to hospital, all receiving diet, nutrition and exercise guidance
Participants
150 patients
Comparison
Insulin aspart pump + vitamin D + Viable Bifidobacterium Tablets vs insulin aspart pump + vitamin D
  • Studyn = 75
  • Controln = 75reference

Primary result

As reported in the abstract

Glycemic and lipid metabolic indices and gut microbiota after treatment
  • HDL-C, Bifidobacterium and Lactobacillus counts increased, and FINS, FPG, 2hPG, HbA1c, LDL-C, TC, TG, Coccidioides, Enterobacteriaceae and Saccharomycetes counts reduced in both groups (P < 0.05)
  • Study vs Control: P < 0.05

Further findings

Standard-reaching rate of blood glucose

P < 0.05

Safety

Overall incidence of adverse pregnancy outcomes

P < 0.05

Original publication

Effect of vitamin D combined with probiotic-assisted insulin pump on glucose-lipid metabolism, intestinal flora and pregnancy outcome in gestational diabetes mellitus. Endocr Pract. Published 24 August 2026. doi:10.1016/j.eprac.2026.08.015

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