Endometrial scratching to improve pregnancy rate in couples with unexplained subfertility: a randomized controlled trial.

Aim: The aim of this study was to examine the effect of endometrial scratching in women with unexplained infertility.

Material And Methods: A randomized controlled trial was conducted in Mansoura University Teaching Hospital and a private practice setting. A total of 105 couples with unexplained infertility were randomly allocated into two groups: group A comprised 54 women who underwent endometrial scratching in the luteal phase of a spontaneous menstrual cycle; and group B included 51 women who underwent a placebo procedure.