Ovulation Triggering 2 vs 3 Follicles

Clinical Pregnancy Rate

Poor responders in in-vitro fertilization (IVF) cycles represent a major challenge for
 fertility specialists. Although poor responders tend to have sub-optimal fertility treatment
 outcomes, many of these patients wish to attempt at least one IVF cycle. Traditionally, IVF
 cycles producing less than 3 to 4 mature follicles (measuring at least 14 mm) have either
 been cancelled or converted to intra-uterine insemination (IUI) due to the low pregnancy
 rates associated with these cycles. The minimal number of follicles required to proceed with
 egg collection is based on clinical experience, having been determined by weighing the
 probability of implantation and pregnancy versus the risk of not obtaining quality oocytes or
 reaching embryo transfer when fewer mature follicles are present. This retrospective quality
 control study aims to compare pregnancy rates in IVF cycles producing 3 follicles measuring
 14 mm and more on trigger day, versus 2 or fewer follicles.