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http://dx.doi.org/10.1093/humrep/deab194 | DOI Listing |
BJOG
December 2024
Department of Reproductive Medicine, Ren Ji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
Objective: To investigate the benefit of preimplantation genetic testing for aneuploidy (PGT-A) in recurrent implantation failure (RIF).
Design: Secondary analysis of a multicentre, randomised, double-blind, placebo-controlled clinical trial.
Setting: Eight academic fertility centres in China, 2018-2020.
Eur J Obstet Gynecol Reprod Biol
December 2024
Department of Obstetrics and Gynecology and CE-RICSAL (CEntro di RIcerca Clinico SALentino), "Veris delli Ponti" Hospital, Scorrano 73024, Lecce, Italy. Electronic address:
Background: When a high-quality embryo is implanted into the uterus, but the pregnancy is not established as shown by the ultrasound visualization of an intrauterine gestational sac, this is known as "implantation failure." Cases when more than two times implantation failure occurred was defined as recurrent implantation failure (RIF). Additional testing is done at this stage of infertility treatment to avoid a repeat of the same result with a future in vitro fertilization (IVF) effort.
View Article and Find Full Text PDFInt J Mol Sci
October 2024
Department of Obstetrics and Gynecology, Faculty of Medicine, School of Health Sciences, University of Thessaly, 41110 Larissa, Greece.
Pre-implantation genetic testing (PGT) is a crucial process for selecting embryos created through assisted reproductive technology (ART). Couples with chromosomal rearrangements, infertility, recurrent miscarriages, advanced maternal age, known single-gene disorders, a family history of genetic conditions, previously affected pregnancies, poor embryo quality, or congenital anomalies may be candidates for PGT. Preimplantation genetic testing for aneuploidies (PGT-A) enables the selection and transfer of euploid embryos, significantly enhancing implantation rates in assisted reproduction.
View Article and Find Full Text PDFFertil Steril
October 2024
Division of Reproductive Endocrinology and Infertility, University of Texas Health Science Center at San Antonio, Department of Obstetrics and Gynecology, San Antonio, Texas; Department of Women's Health, Dell Medical School, University of Texas at Austin, Austin, Texas. Electronic address:
Objective: To assess whether infants born to women with a history of recurrent pregnancy loss (RPL) have an increased risk of adverse perinatal outcomes after frozen embryo transfer (FET) compared with women without a history of infertility or RPL.
Design: Retrospective cohort study utilizing the Society for Assisted Reproductive Technology Clinic Outcomes Reporting System database between 2014 and 2020.
Setting: Not applicable.
Front Endocrinol (Lausanne)
October 2024
Reproductive Medicine Center, Boai Hospital of Zhongshan Affiliated to Southern Medical University, Zhongshan, China.
Objective: Intracytoplasmic sperm injection (ICSI) is commonly employed in preimplantation genetic testing (PGT) to minimize the risk of foreign sperm DNA contamination. Cryopreserved embryos from patients with recurrent miscarriage or repeated implantation failure, who have undergone conventional fertilization (IVF), can be thawed and biopsied for PGT. Therefore, we aimed to assess the accuracy and effectiveness of preimplantation genetic testing for aneuploidy (PGT-A) on frozen embryos using conventional IVF (c-IVF) insemination methods.
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