BACKGROUND Successful cryopreservation of oocytes and embryos is essential not only to
maximize the safety and efficacy of ovarian stimulation cycles in an IVF treatment, but also to …

The overall success of human reproduction, either spontaneously or after IVF, is highly
dependent upon maternal age. The main reasons for age-related infertility include reduced …

This monograph, written by the pioneers of IVF and reproductive medicine, celebrates the
history, achievements, and medical advancements made over the last 40 years in this …

BACKGROUND A normal chromosomal constitution defined through PGT-A assessing all
chromosomes on trophectoderm (TE) biopsies represents the strongest predictor of embryo …

INTRODUCTION Since the first live birth from oocyte cryopreservation three decades ago,
oocyte cryopreservation has become an important component of ART. Cryopreservation …

Advanced maternal age (AMA;> 35 year) is associated with a decline in both ovarian
reserve and oocyte competence. At present, no remedies are available to counteract the …

Previous studies have shown that existing antral follicles in the luteal phase enable ovarian
stimulation. In a pilot study, the efficacy of double stimulations during the follicular and luteal …

OBJECTIVE: To evaluate the results of controlled ovarian hyperstimulation (COH) for oocyte
vitrification to preserve fertility for medical and nonmedical indications. DESIGN: A …

Objective To describe the clinical outcomes achieved after 6 years' experience in ovum
donation conducted with vitrified oocytes; to attempt to find predictors of survival; and to …

Objective To assess outcomes after oocyte vitrification on obstetric and perinatal outcomes
compared with those achieved with fresh oocytes. Design Retrospective cohort study …