STUDY QUESTION What are the chances of achieving a live birth after embryo, oocyte and
ovarian tissue cryopreservation (OTC) in female cancer survivors? SUMMARY ANSWER …

Importance To date, recurrent implantation failure (RIF) has no clear definition and no clearly
identified impaired function. Hence, the term RIF is currently used somewhat haphazardly …

STUDY QUESTION How should recurrent implantation failure (RIF) in patients undergoing
ART be defined and managed? SUMMARY ANSWER This is the first ESHRE good practice …

Objective To determine whether personalized embryo transfer (pET) guided by endometrial
receptivity array (ERA) test improves reproductive outcomes for fresh embryo transfers …

Purpose This systematic review and meta-analysis aimed to compare the short-term
reproductive and long-term obstetric outcomes after endometrial preparations by ovarian …

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 …

Progesterone plays a key role in implantation. Several studies reported that lower luteal
progesterone levels might be related to decreased chances of pregnancy. This systematic …

Infertility affects one in six couples, with in vitro fertilization (IVF) offering many the chance of
conception. Compared to the solitary oocyte produced during the natural menstrual cycle …

STUDY QUESTION Which factors are associated with low serum progesterone (P) levels on
the day of frozen embryo transfer (FET), in HRT cycles? SUMMARY ANSWER BMI, parity …

Over the past decade, the use of frozen-thawed embryo transfer (FET) treatment cycles has
increased substantially. The artificial ('programmed') cycle regimen, which suppresses …