IRCT201604261556N89.

Study name	Effect of local endometrial injury in women with one and two failure history in IVF cycle on success rate of embryo implantation and pregnancy
Methods	RCT
Participants	Women with recurrent implantation failure
Interventions	Intervention: local endometrial injury (LEI) with standard pipelle biopsy before IVF procedure in luteal phase of menstrual cycle. Control: No procedure
Outcomes	Biochemical pregnancy
Starting date	24 December 2016
Contact information	Shahin Akhondzadeh: +98 21 5541 2222, s.akhond@sina.tums.ac.ir
Notes	Trial registration status on 3 July 2020: recruitment complete. Author correspondence attempted but unsuccessful