Effectiveness of interventions for pain relief in hysterosalpingographyAnetwork meta-analysis and systematic review.

We aimed to evaluate the effectiveness of placebo, oral opioid analgesic (OOA), intravenous opioid analgesic (IOA), non-opioid analgesic (NOA), topical anesthetic (TA) and locally injected anesthetic (LIA) for pain relief duringhysterosalpingography (HSG) using a Bayesian network meta-analysis of data from randomized controlled trials.