profer trial

(1) Background: Recurrent implantation failure (RIF) after IVF remains a challenging topic for fertility specialists and a frustrating reality for patients with infertility. Various approaches have been investigated and applied towards the improvement of clinical outcomes. Through a nonrandomized clinical trial, we evaluated the effect of the combination of hysteroscopic endometrial injury and the freeze-all technique on pregnancy parameters in a cohort of RIF patients; (2) Methods: The study group comprised of 30 patients with RIF that underwent a hysteroscopic endometrial injury prior to a frozen embryo transfer cycle; another 30 patients with RIF, comprising the control group, underwent a standard frozen cycle with no adjuvant treatment before...

Objective: Does MEDLINE use, when added to more traditional sources of information, improve the accuracy of medical students' clinical decisions when compared to those obtained using traditional sources only? Design: Randomized control trial. Setting: McMaster University Faculty of Medicine, Undergraduate Program. Participants: The entire class of 101 medical students, class of 1998. Overall response rate on 9 items was 56% (510/909), with 35% (35/101) completing all 9 items. Intervention: All participants were randomized on each of the nine clincal scenarios for which the student could choose to apply, or refrain from applying, a proferred intervention...