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

The use of frozen-thawed embryo transfer (FET) has increased over the past decade with
improvements in technology and increasing live birth rates. FET facilitates elective single …

Cryopreservation has become a central pillar in assisted reproduction, reflected in the
exponential increase of “freeze all” cycles in the past few years. Vitrification makes it …

Chemotherapy and radiotherapy improved survival rates of patients with cancer. However,
they can cause ovarian failure and infertility in women of reproductive age. Infertility …

Objective To assess in vitro fertilization (IVF) and pregnancy outcomes in patients having
their first frozen embryo transfer (FET) after a freeze-all cycle versus similar patients having …

STUDY QUESTION What is the rate of euploidy and the reproductive potential of embryos
biopsied after 6 days of development? SUMMARY ANSWER Embryos biopsied after 6 days …

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 …

STUDY QUESTION Does letrozole co-treatment during ovarian stimulation with
gonadotrophins for IVF reduce the proportion of women with premature progesterone levels …

Objective To study the impact of the endometrial receptivity analysis (ERA) on live birth rates
in frozen embryo transfer (FET) cycles. Design Retrospective cohort study. Setting A single …

STUDY QUESTION What is the impact of a late follicular phase progesterone elevation
(LFPE) during controlled ovarian hyperstimulation (COH) on embryonic competence and …