NCT02153814.

Study name	Endometrial injury and in vitro fertilization outcomes
Methods	RCT
Participants	Women undergoing IVF
Interventions	Intervention: 3 mm endometrial sampling curette, with three passes made of the endometrium along the length of the fundus Control: the endometrial sampling curette will be placed 2 cm to 3 cm into the cervix without entering the uterine cavity The first endometrial scratch procedure or sham procedure will be performed up to two weeks prior to expected menses, and the second endometrial scratch or sham procedure will be performed cycle day 5‐11 of the stimulation cycle.
Outcomes	Live birth, pregnancy, miscarriage
Starting date	August 2014
Contact information	Gricelda Mendoza: gricelda.mendoza1@northwestern.edu, erica‐marsh@northwestern.edu
Notes	Trial registration status on 3 July 2020: recruiting Author correspondence attempted but unsuccessful