Iodine and Reduced Thyroid-Stimulating Hormone

• Effects of different iodine supplementation strategies on thyroid function in iodine-deficient pregnant women: a meta-analysis.

  • 2026-06-10
  • Meta-Analysis
  • Frontiers in public health 14
  • • Yingying Lv
    • Baiming Jin
    • Jiazhuang Guo
    • Jingshu Bu
    • Chen Chen
    • Yunfeng Han
    • Zhiping Xie
    • Yuehui Jia
    • Siyuan Wan
    • Chunjing Zhang

  • PubMed: 42359139
  • DOI: 10.3389/fpubh.2026.1846475

  6 Insights on

  • Reduced Thyroid-Stimulating Hormone

  • High evidence
  • Pregnant Women

  Iodine supplementation was associated with reduced serum TSH and Tg levels in iodine-deficient pregnant women (TSH: SMD = -0.14, 95% CI: -0.23, -0.05; Pz = 0.002)

  Effect

  Beneficial

  Effect size

  Small

  Significant

  Yes

  Dose

  200-300 μg/d