LETTER TO THE EDITOR Reply: Criticizing the effect of

ovarian suspension on adhesions in laparoscopic surgery for endometriosis Sir, We thankMehdizadehkashi and colleagues for their interest in our study (Hoo et al., 2014). Our study was a prospective, within-group compari-son, double-blind randomized control trial. This implies that compari-sons were made within and not between individuals. We stated in the discussion that we decided to use this type of trial as it is considered methodologically sound and free of disadvantages that may affect the quality of parallel group trials. We stated very clearly in our paper that the inclusion criteriawere the presence of severe bilateral disease (as scored using the revised AFS staging) requiring extensive dissection of both pelvic side walls and/or rectovaginal space with preservation of the ovaries and the uterus. As