Vitamin D and Pregnancy Outcome in PCOS Patients

Summary

This multicenter double-blinded placebo-controlled randomised trial aims to evaluate the effectiveness of vitamin D supplementation prior to IVF on the live birth rate in women with PCOS. Women with PCOS scheduled for IVF will be enrolled. Eligible participants will be randomised 1:1 to receive oral capsules of 4000IU vitamin D per day or placebo for around 12 weeks until the day of triggering.

Timeline

Start

2020-10-15

Primary completion

2024-05-23

Completion

2025-01-27

Publications

• Hu KL, Liao T, Wu Q, Ma X, Cao Y, Tan J, Tian L, Wang J, Yin J, Liu Y, Zhao J, Zhao S, Li M, Cai L, Liu FT, Gan K, Xu Y, Wang Y, Cai J, Zheng B, Ma Y, Ma Q, Zheng J, Pu X, Zhang H, Hao C, Xie Q, Zhang C, Jiang L, Zhang S, Yan L, Meng Q, Li W, Mol BW, Li R, Wang R, Zhang D; VitD-PCOS trial group. Vitamin D supplementation before in vitro fertilisation in women with polycystic ovary syndrome: multicentre, double blind, placebo controlled, randomised clinical trial. BMJ. 2026 Feb 17;392:e087438. doi: 10.1136/bmj-2025-087438.
• Hu KL, Gan K, Wang R, Li W, Wu Q, Zheng B, Zou L, Zhang S, Liu Y, Wu Y, Chen R, Cao W, Yang S, Liu FT, Tian L, Zeng H, Xu H, Qiu S, Yang L, Chen X, Pan X, Wu X, Mol BW, Li R, Zhang D. Vitamin D supplementation prior to in vitro fertilisation in women with polycystic ovary syndrome: a protocol of a multicentre randomised, double-blind, placebo-controlled clinical trial. BMJ Open. 2020 Dec 8;10(12):e041409. doi: 10.1136/bmjopen-2020-041409.

Drugs

Indications