Among other factors, chromosomal abnormalities that originate from gametogenesis and
preimplantation embryonic development are thought to be one of the major contributing …

Chromosomal abnormalities are thought to be responsible for implantation failure, and
among chromosomal abnormalities in normally developing embryos, aneuploidy is the most …

Despite recent controversy, existing experience suggests that aneuploidy testing has had a
significant impact on the reproductive outcome of poor prognosis IVF patients, which is …

OBJECTIVE: To compare the incidence of chromosomal abnormalities in preimplantation
embryos from couples undergoing preimplantation genetic screening (PGS) after previous …

Preimplantation genetic testing for aneuploidy (PGT-A) has evolved over recent years,
including improvements in embryo culture, biopsy, transfer, and genetic testing. The …

The causes of the decline in implantation rates observed with increasing maternal age are
still a matter for debate. Data from oocyte donation strongly suggest that in women of …

Patients with recurrent IVF failure are defined as patients who are younger than 37 years
and who had at least three consecutive unsuccessful IVF/intracytoplasmic sperm injection …

Preimplantation genetic aneuploidy screening (PGS) has been performed during the last
decade as a way of enhancing embryo selection in patients with an increased incidence of …

Pre-implantation genetic diagnosis for aneuploidy screening (PGD-AS) constitutes a
technique developed to improve embryo selection in patients with a poor outcome after in …

Aneuploidy is extremely common in human embryos, and is one of the main causes of
unsuccessful in vitro fertilization (IVF) cycles. Aneuploid embryos may arrest while still in …