… scenario when implantation has repeatedly failed, usually … In some studies, RIF is defined
as the failure of implantation after … The causes of implantation failure are diverse and include …

… The in vitro fertilisation (IVF) failure could be the result of … or implantation failures. The oocyte
sperm interaction defects are not intended to be considered in implantation failures in ART (…

… may contribute to implantation failure in some women. … Letrozole treatment as part of IVF
stimulation has been used for the past 4 years to increase follicle recruitment and implantation …

… The aim of this study was to compare the pregnancy outcomes after treatment with letrozole
and those after treatment with the combination of gonadotropin-releasing hormone (GnRH) …

… of letrozole evaluated and the treatment in the control arm limited our findings. The majority
of the included trials evaluated letrozole … at the time of embryo implantation is negligible. …

… who had failed to respond to CC were treated with letrozole. … use of letrozole over CC as a
first-line treatment for induction of … implantation rates were significantly higher among letrozole-…

… one to three previous failed IVF owing to poor ovarian response I: CD 3 letrozole 2.5 mg/day …
about creating a suboptimal endometrium for implantation. The endometrial thickness on …

… treatment have been treated with letrozole during the whole stimulation phase, although it
might be an excellent treatment … during COH and during the implantation window. It remains to …

… who were initially integrin negative and treated with letrozole compared to those who were
… GnRH agonist and letrozole, with improved live birth rates in RIF patients receiving letrozole (…

… thickness required for embryo implantation and does not … in fetuses from women who
underwent letrozole treatment [47]; … compared for letrozole and AC, sensitivity analyses failed to …