Vitamin D and Improved Clinical Pregnancy

• Vitamin D supplementation in infertile men: a systematic review and meta-analysis of effects on semen quality and endocrine function.

  • 2026-04-13
  • Meta-Analysis
  • PeerJ 14
  • • Guoqing Zhang
    • Giribabu Nelli
    • See Ziau Hoe
    • Mukhri Hamdan

  • PubMed: 42004696
  • DOI: 10.7717/peerj.21002

  6 Insights on

  • Improved Clinical Pregnancy

  • High evidence
  • Rigorous Journal
  • Clinical

  No significant effects were observed on clinical pregnancy or live birth.

  Effect

  Neutral

  Effect size

  Small

  Significant

  No