NCT02651285.

Methods	Randomised parallel assignment trial
Participants	180 women aged 20 to 28 years Inclusion criteria: Infertility Healthy condition Good ovarian reserve (anti‐mullerian hormone (AMH) levels more than 1 μg/mL) Exclusion criteria: Chromosomal defects in the couple Metabolic diseases (diabetes, etc.) Other genetic diseases (thalassaemia, cystic fibrosis, etc.)
Interventions	Intervention: granulocyte colony‐stimulating factor (G‐CSF) medium Control: medium without G‐CSF
Outcomes	Primary outcome measures: Pregnancy rate [Time Frame: 12 months] The number of participants who become pregnant after in vitro fertilisation (IVF) where G‐CSF medium is used divided for the number of participants treated Implantation rate [Time Frame: 12 months] The number of embryos implanted after IVF where G‐CSF medium is used divided for the number of embryos transferred Secondary outcome measures: Number of blastocysts developed [Time Frame: 12 months]. The number of blastocysts obtained after IVF where G‐CSF medium is used divided for the number of fertilised oocytes
Notes	Emailed authors for more information 29 October 2019, 9 January 2020, and 28 January 2020, but received no reply. Unsure of nature of study and whether oocytes or women were randomised

ICSI: intracytoplasmic sperm injection