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 …

The use of frozen embryo transfer in assisted reproductive technology (ART) has steadily
increased since development in the early 1980's. While there are many benefits to delayed …

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 …

The implementation of cryopreservation-techniques in the IVF laboratory and the improved
survival rates of oocytes, cleavage and blastocyst stage embryos have led to a significant …

Research question Endometrial preparation is one of the most important steps for ensuring
frozen embryo transfer success. However, there is no clear evidence that identifies an …

The use of frozen embryo transfer cycles has exponentially increased in the last few years.
Optimization of endometrial preparation protocols before frozen embryo transfer is …

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 …

STUDY QUESTION Does the endometrial preparation protocol (artificial cycle (AC) vs
natural cycle (NC) vs stimulated cycle (SC)) impact the risk of early pregnancy loss and live …

Frozen-thawed embryo transfer (FET) has been a viable alternative to fresh embryo transfer
in recent years because of the improvement in vitrification methods. Laboratory-based …

Endometrial receptivity depends on the duration of progesterone exposure to the adequately
estrogenized endometrium. In a natural cycle endometrial preparation approach, correct …