IRCT20180425039418N8.

Study name	Assessment the effect of endometrial scratch on fertility rate in infertile women undergoing IVF
Methods	RCT
Participants	Women undergoing IVF with no history of IVF failure
Interventions	Intervention: 18‐24 days before endometrial scrape frozen embryo transfer was done. Control: no procedure
Outcomes	Clinical pregnancy, abortion
Starting date	Expected: 22 May 2019
Contact information	Marzieh Ghasemi: +98 54 3329 5715, public@zaums.ac.ir
Notes	Trial registration status on 2 July 2020: recruitment complete. Registered 27 October 2019, retrospectively Correspondence attempted public@zaums.ac.ir; mohammad.ghenaat71@gmail.com, however there was no reply.