A prospective randomized controlled trial comparing two embryo transfer catheters in an ART program.
OBJECTIVE: To compare the performance of the Cook Sydney IVF (SIVF) embryo transfer (ET) catheter and the Edwards-Wallace (EW) ET catheter. DESIGN: Prospective randomized controlled clinical trial with an intention-to-treat analysis. SETTING: Two-center study. PATIENT(S): Four hundred consecutive women <40 years undergoing ET with two fresh embryos. INTERVENTION(S): Women were randomly allocated t
