1. Abbreviations used.

Abbreviation	Definition
BMI	Body mass index
CC	Clomiphene citrate
CI	Confidence interval
CT	Computerised tomography scan
FSH	Follicle‐stimulating hormone
GTT	Glucose tolerance test
HbA1C	Glycosylated haemoglobin
LOD	Laparoscopic ovarian drilling
NIDDM	Non insulin dependent diabetes mellitus
PCO	Polycystic ovary
PCOS	Polycystic ovary syndrome
RCT	Randomised controlled trial
rFSH	Recombinant follicle‐stimulating hormone
SD	Standard deviation
SE	Standard error of the mean
vs	Versus
MD	Mean difference