Lindig 2002.

Methods	RCT
Participants	40 women randomised to undergo salpingostomy by microsurgical techniques (n = 20) or no intervention (n = 20) prior to IVF. Inclusion: not specified. Exclusion: not specified.
Interventions	Salpingostomy by microsurgical techniques versus no intervention prior to IVF.
Outcomes	Intrauterine pregnancy rate per woman randomised and per embryo transfer (n/n, %) Implantation rate (not defined) (%) Miscarriage rate (not defined) (%) Ectopic pregnancy rate (not defined) (%)
Notes	This is a conference abstract. The nature of the intervention ("salpingostomy by microsurgical techniques") is unclear and correspondence with the senior author was unsuccessful. The trial authors did not respond to written correspondence.

IVF: in vitro fertilisation; n: number of events or participants; RCT: Randomised controlled trial.