ABSTRACT STUDY QUESTION What is the optimal endometrial preparation protocol for a
frozen embryo transfer (FET)? SUMMARY ANSWER Although the optimal endometrial …

Despite the worldwide increase in frozen embryo transfer, the search for the best protocol to
prime endometrium continues. Well-designed trials comparing various frozen embryo …

Background A frozen embryo transfer (FET) cycle is when one or more embryos (frozen
during a previous treatment cycle) are thawed and transferred to the uterus. Some women …

With significant improvements in cryopreservation technology (vitrification) the number of
frozen ET IVF cycles is increasing and may soon surpass in numbers and success rates …

Background Ectopic pregnancy (EP) is the leading cause of maternal morbidity and mortality
during the first trimester and the incidence increases dramatically with in vitro fertilisation …

Over the last decade the use of frozen–thawed embryo transfer has substantially increased,
and currently up to one in two embryos transferred has been cryopreserved. To support …

Purpose The purpose of this study was to evaluate the best protocol to prepare endometrium
for frozen embryo replacement (FER) cycles. Methods This study is a systematic review and …

Over the past decade, the application of frozen-thawed embryo transfer treatment cycles has
increased substantially. Hormone replacement therapy and the natural cycle are two …

BACKGROUND Spontaneous ovulation during a natural menstrual cycle is frequently used
for timing frozen embryo transfer (FET). Nevertheless, it remains unclear whether or not …

STUDY QUESTION Does supplementation with vaginal tablets of progesterone after frozen-
thawed embryo transfer in natural cycles improve the live birth rate? SUMMARY ANSWER …