Date	Event	Description
25 May 2008	New citation required but conclusions have not changed	This review was updated in August 2008. New authors have joined the team: SVV, AS and BWJM. As compared to 2004; study identification and selection was performed by a second reviewer based upon a slightly adjusted search. Three new trials were included: Kontoravdis 2006; Moshin 2006;and Hammadieh 2008. Therefore this review now includes studies reporting the effect of ultrasound guided aspiration of hydrosalpinges and the efficacy of tubal occlusion. A previously included trial was excluded: Goldstein 1998. One ongoing study was found: Darwish 2005,2006, 2007; this preliminary study assessed the feasibility of hysteroscopic tubal occlusion with electrocautery. Follow‐up time was not long enough to assess results of pregnancy. Data extraction and data analysis of the three newly included studies was completed by the second reviewer (SVV) in consensus with the first reviewer. Outcomes were extracted according to stricter definitions of Live birth, ongoing pregnancy, viable‐clinical or biochemical pregnancy. Results were imported in Revman 5 and analysis was undertaken. The Cochrane manuscript was rewritten and edited by the same panel and two newly added authors: B.W. Mol and A. Strandell.