CTRI/2018/05/013970.

Study name	Public title: Injury to the lining of the womb to improve chance of pregnancy in couples having sexual intercourse or placement of sperm into the womb Scientific title: Pipelle curetting as a method of endometrial scratching to increase the clinical pregnancy rate
Methods	Randomised controlled trial
Participants	Inclusion criteria: Female 18 to 40 years of age Couple having regular unprotected sexual intercourse and unable to conceive for ≥ 12 months Primary or secondary infertility Women with male partner infertility for whom intrauterine insemination (IUI) is planned Exclusion criteria: Women requiring endometrial biopsy for any other reason (tuberculosis, abnormal uterine bleeding)
Interventions	Intervention group: endometrial injury with a pipelle up to Day 12 of the cycle preceding treatment (IUI or intercourse) Control group: no endometrial injury
Outcomes	Clinical pregnancy rate
Starting date	June 2018
Contact information	S. Tahmina; dr.tahmina.s@gmail.com; +918870730885
Notes	CTRI/2018/05/013970 Author correspondence was undertaken to check whether the trial was still ongoing, but we did not receive a response