ABSTRACT BACKGROUND Elective freezing of all good quality embryos and transfer in
subsequent cycles, ie elective frozen embryo transfer (eFET), has recently increased …

BACKGROUND Progestins are capable of suppressing endogenous LH secretion from the
pituitary. Progestins can be used orally and are less expensive than GnRH analogues …

Objective To evaluate the association between the number of oocytes retrieved and
cumulative live birth rates. Design Retrospective multicenter analysis using individual …

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 …

BACKGROUND Improvements in vitrification now make frozen embryo transfers (FETs) a
viable alternative to fresh embryo transfer, with reports from observational studies and …

Background In vitro fertilisation (IVF) or intracytoplasmic sperm injection (ICSI) treatments
conventionally consist of a fresh embryo transfer, possibly followed by one or more …

Objective To compare in vitro fertilization (IVF) outcomes between fresh embryo transfer (ET)
and frozen-thawed ET (the “freeze-all” policy), with fresh ET performed only in cases without …

Purpose The synchronized development of a viable embryo and a receptive endometrium is
critical for successful implantation to take place. The aim of this paper is to review current …

Objective To provide an updated comparison of pregnancy-related complications and
adverse perinatal outcomes of pregnancies conceived after frozen embryo transfer (FET) …

Cryopreservation of human embryos is now a routine procedure in assisted reproductive
technologies laboratories. There is no consensus on the superiority of any protocol, and …