Pregnancy rate and time to pregnancy after recurrent implantation failure (RIF)-a prospective cohort follow-up study.

Purpose: The goal of this study was to determine ongoing pregnancy rate, time to pregnancy and embryo transfers to pregnancy within a cohort of patients with recurrent implantation failure (RIF).

Methods: IVF patients with RIF were included after referral to the RIF outpatient clinic. They received a questionnaire 1 year after inclusion.