Study design
PCOS
SECONDARY, PREGNANCY COMPLICATIONS
This work is a post hoc analysis of two prospective, randomised, placebo-controlled trials, investigating the effect of metformin on pregnancy complications in women with PCOS. 264 women participated with analysed serum samples in the present study, 128 and 136 in the metformin and placebo group, respectively (Flowchart of the original and the secondary studies.