NCT02305693.

Trial name or title	Comparison between letrozole and laparoscopic ovarian drilling in women with clomiphene‐resistant polycystic ovarian syndrome (PCOS)
Methods	140 women with clomiphene‐resistant PCOS will be randomly divided into 2 equal groups using computer‐generated random numbers. Group 1 will receive letrozole, group 2 will have laparoscopic ovarian drilling (LOD)
Participants	140 women with clomiphene‐resistant PCOS
Interventions	Letrozole, LOD
Outcomes	Ovulation, pregnancy
Starting date	November 2014
Contact information	abdelgany2@gmail.com
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