Increased incidence of live births in implanted day 5 versus day 6 blastocysts following single embryo transfers with PGT-A oleh Chien-Hong Chen, Chun-I Lee, Chun-Chia Huang, Hsiu-Hui Chen, Chih-Ying Chang, En-Hui Cheng, Pin-Yao Lin, Chung-I Chen, Tsung-Hsien Lee, Maw-Sheng Lee