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

Endometrial receptivity is a complex process that provides the embryo with the opportunity to
attach, invade, and develop, culminating in a new individual and continuation of the species …

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

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

BACKGROUND Freeze-all IVF cycles are becoming increasingly prevalent for a variety of
clinical indications. However, the actual treatment objectives and preferred treatment …

The available literature is controversial regarding the association between the number of
oocytes retrieved and the cumulative live birth rate (CLBR). Although some authors report a …

STUDY QUESTION Does the outcome of the comparison of live birth rates between the first
frozen embryo transfer (ET)(in a freeze-only cycles strategy, ie frozen ET group) and a fresh …

STUDY QUESTION Is elevated late-follicular phase progesterone (EP) associated with a
deleterious impact on embryo quality (EQ) and cumulative live birth rates (LBRs) …

STUDY QUESTION Can granulosa cells produce progesterone (P) in response to FSH
stimulation? SUMMARY ANSWER FSH actively promotes P synthesis and output from …

OBJECTIVE: Several studies have shown higher pregnancy rates and better perinatal
outcomes with frozen embryo transfers than with fresh techniques, with better results in …