NCT02562664.

Trial name or title	Metformin improves clinical pregnancy rates in polycystic ovarian syndrome patients
Methods	Double‐blinded, RCT
Participants	Women with PCOS
Interventions	Metformin and CC vs CC and placebo
Outcomes	Pregnancy rate, fasting glucose, fasting insulin
Starting date	September 2015
Contact information	Assiut University, Egypt
Notes

CC: clomiphene citrate; LOD: laparoscopic ovarian drilling; PCOS: polycystic ovary syndrome; RCT: randomised controlled trial;