Vieira 2010.

Methods	Randomised controlled trial
Participants	PCOS No other information
Interventions	Treatment: OCP (Ethinyl Estradiol 30 mcg/chlormadinone acetate 2 mg)/day + MET 875 mg/day Control: OCP (Ethinyl Estradiol 30 mcg/chlormadinone acetate 2 mg)/day
Outcomes	(a) Clinical parameters 1.Body weight (kg) and/or BMI (kg/m2) 2.Waist circumference (cm) and/or waist‐hip ratio (WHR) 3.Blood pressure (systolic, diastolic) (mm Hg) (b) Metabolic parameters 1.Fasting LDL cholesterol (mmol/L) 2.Fasting triglycerides (mmol/L)
Notes	Abstract only Authors contacted, said they will send their results, still waiting.

BMI: body mass index; HDL: high‐density lipoprotein; IU: international units; LDL: low‐density lipoprotein;MET: metformin; OCP: oral contraceptive pill; PCOS: polycystic ovary syndrome;