Xue-Jiao Wang, Ming-Xing Chen, Ling-Ling Ruan, Li Tan, Li-Hong Geng, Hui-Jun Yang, Li-Juan Fu, Zhao-Hui Zhong, Xing-Yu Lv, Yu-Bin Ding, Qi Wan
In this retrospective study conducted at Sichuan Jinxin Xinan Women and Children's Hospital spanning January 2015 to December 2021, our objective was to investigate the impact of embryo cryopreservation duration on outcomes in frozen embryo transfer. Participants, totaling 47,006 cycles, were classified into 3 groups based on cryopreservation duration: ≤1 year (Group 1), 1 to 6 years (Group 2), and ≥6 years (Group 3). Employing various statistical analyses, including 1-way ANOVA, Kruskal-Wallis test, chi-square test, and a generalized estimating equation model, we rigorously adjusted for confounding factors...
March 29, 2024: Medicine (Baltimore)