ISRCTN17078060.

Trial name or title	In vitro maturation as part of the treatment of infertility in women with polycystic ovaries. Is priming with hCG favourable? A prospective randomized study.
Methods	Prospective open label randomised controlled trial.
Participants	1. Women with polycystic ovaries (PCO) according to Rotterdam criteria (2003) 2. Referred to the Fertility Clinic, Odense University Hospital 3. Candidates for IVF‐treatment according to the standards of the Fertility Clinic
Interventions	hCG injection vs no injection 36 hours before aspiration of oocytes
Outcomes	Primary outcomes: Maturation rate (number of mature oocytes per number of aspirated oocytes) at 30 and 46 hours Fertilization rate (number of fertilized oocytes per number of matured oocytes) at 46 and 70 hours Secondary outcomes: Number of transferable embryos with normal development on day 2 after fertilization, as a fraction of aspirated, matured and fertilized oocytes in IVF and Intra Cytoplasmatic Sperm Injection (ICSI) groups Maturation rate in relation to follicle size (46 hours after maturation) Maturation rate in relation to serum concentrations of various hormones, measured on various cycle days and days of randomisation and aspiration
Starting date	01 April 2006
Contact information	Department of Obstetrics and Gynaecology Odense University Hospital Soendre Boulevard 29 Odense C 5000 Denmark +45 6541 1572
Notes	Contacted to confirm if data available or published, but no response.