ChiCTR‐IIR‐16008758.

Trial name or title	Evaluating the implantation rate of GERI‐incubator‐cultured embryos
Methods	Multicentre randomised controlled trial
Participants	Projected sample size: 1214 Characteristics of women must be as follows: receiving first ICSI cycle; aged younger than 35 years; BMI 18 to 25 kg/m2; normal ovarian response (Antral follicle count: 6 to 15; basal FSH ≤ 10 IU/L; E2 < 80 pg/mL); standard long protocol with recombinant FSH for COS; at least 8 antral follicles > 14 mm under ultrasound on the human chorionic gonadotrophin (hCG) trigger day; normal uterine cavity under ultrasound; must have read and signed the informed consent form.
Interventions	Intervention: embryo cultured and assessed by the GERI time‐lapse system Control: embryo cultured in conventional incubator and assessed by benchtop microscope
Outcomes	Primary outcome: implantation rate Secondary outcomes: clinical pregnancy, ongoing pregnancy (week 10‐12), multiple pregnancy, ectopic pregnancy, spontaneous miscarriage (week 10‐12 confirmed by ultrasound)
Starting date	July 2016
Contact information	Guoning Huang: guoning.huang@outlook.com
Notes	States that study will be completed by October 2017 and published within 6 months