Comparing prediction of ongoing pregnancy and live birth outcomes in patients with advanced and younger maternal age patients using KIDScore™ day 5: a large-cohort retrospective study with single vitrified-warmed blastocyst transfer

Autor: Keiichi Kato, Satoshi Ueno, Jørgen Berntsen, Motoki Ito, Kiyoe Shimazaki, Kazuo Uchiyama, Tadashi Okimura
Jazyk: angličtina
Rok vydání: 2021
Předmět:
Zdroj: Reproductive Biology and Endocrinology, Vol 19, Iss 1, Pp 1-11 (2021)
Druh dokumentu: article
ISSN: 1477-7827
DOI: 10.1186/s12958-021-00767-4
Popis: Abstract Background The KIDScore™ Day 5 (KS-D5) model, version 3, is a general morphokinetic prediction model (Vitrolife, Sweden) for fetal heartbeat prediction after embryo transfer that was developed based on a large data set that included implantation results from a range of clinics with different patient populations, culture conditions and clinical practices. However, there was no study to comparing their pregnancy and live birth prediction ability among different maternal age. The aim of this study is to analyze the performance of KS-D5 in predicting pregnancy and live birth in various maternal age groups after single vitrified-warmed blastocyst transfer (SVBT). Methods A total of 2486 single vitrified-warmed blastocyst transfer (SVBT) cycles were analyzed retrospectively. Confirmed fetal heartbeat positive (FHB+) and live birth (LB+) rates were stratified by Society for Assisted Reproductive Technology (SART) maternal age criteria (
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