The efficacy of the embryo transfer catheter in IVF and ICSI is operator-dependent: a randomized clinical trial Universiteit Gent
Embryo transfer is a crucial step in the IVF process. Most randomized prospective studies comparing transfer catheters have demonstrated significantly higher pregnancy rates with soft versus firm catheters, but none have taken the operator effect into account. Our aim was to perform a prospective randomized clinical trial comparing two catheters and to study interactions between catheters and operators. A prospective randomized trial comparing ...