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. 2023 Feb 23;50(1):63–68. doi: 10.5653/cerm.2022.05540

Table 3.

The influence of day-3 embryo quality in the two groups

Variable Group A
Group B
Day-3 high-quality embryo Day-3 poor-quality embryo P-value Day-3 high-quality embryo Day-3 poor-quality embryo P-value
Maternal age at OPU (yr) 32.03±4.71 32.05±4.48 0.980 31.81±3.84 32.33±3.90 0.275
Clinical pregnancy rate 46/70 (65.71) 36/63 (57.14) 0.310 166/239 (69.46) 55/90 (61.11) 0.151
Implantation rate 46/70 (65.71) 36/63 (57.14) 0.310 166/239 (69.46) 55/90 (61.11) 0.151
Multiple pregnancy rate 3/46 (6.52) 0/36 (0.00) 0.119 5/166 (3.01) 2/55 (3.64) 0.819
Miscarriage rate 12/46 (26.09) 10/36 (27.78) 0.864 37/166 (22.29) 10/55 (18.18) 0.519
Live birth rate 32/46 (69.57) 25/36 (69.44) 0.991 130/166 (78.31) 42/55 (76.36) 0.763
Birth weight (g) 3,209.71±537.70 (n=32) 3,197.60±427.94 (n=25) 0.926 3,231.42±539.02 (n=130) 3,251.19±461.00 (n=42) 0.831

Values are presented as mean±standard deviation or number (%). Group A, day-5 poor-quality blastocyst transfer group; group B, day-6 high-quality blastocyst transfer group.

OPU, oocyte pick-up.

HHS Vulnerability Disclosure