Study	Reason for exclusion
Abu‐Elhasan 2014	Fluid used for control and intervention group is the same ‐ only difference is how long they used it for
Diamond 2011	Randomised controlled trial comparing Adhexil versus no treatment, but using an internal control for 16 women undergoing laparoscopy with known bilateral ovarian disease Reason for exclusion: used internal control, and thus could not be included in analyses
DiZerega 2007	Presented composite data from Lundorff 2005 and Young 2005. Paper did not present any data from new participants not already recruited in one of these two studies.
Imai 2003	Adhesions were assessed at caesarean section; not as thorough as at second‐look laparoscopy
Johns 2003	Used an internal control and thus could not be included in analyses
Pellicano 2005	Study evaluating the clinical pregnancy rate when auto‐cross‐linked hyaluronic acid gel was compared with no treatment in 36 women Reason for exclusion: not randomised controlled trial
Swolin 1967	Quasi‐randomised trial of steroids versus non‐steroids Reason for exclusion: quasi‐randomised trial (case record numbers)
Tsuji 2005	Prospective study of 63 women undergoing myomectomy comparing Seprafilm, Dextran 40, Beriplast, and no treatment Reason for exclusion: not a randomised controlled trial
Tulandi 1985	Randomised controlled trials of 22 women comparing 32% dextran versus normal saline Reason for exclusion: does not report fertility or adhesions outcomes
Tulandi 1991	Randomised controlled trial of 12 women comparing fibrin sealant versus no treatment Reason for exclusion: internal control; randomisation not per woman