Characteristics | Control group (n = 132) | GTD group (n = 44) | P value |
---|---|---|---|
Type of ART n (%) |  |  | < 0.001 |
 IVF | 108 (81.8%) | 15 (34.1%) |  |
 ICSI | 24 (18.2%) | 23 (52.3%) |  |
 PGT | 0 (0.0%) | 6 (13.6%) |  |
Total gonadotrophin-releasing hormone agonist dose (IU) a | 0.9 (0.0–3.8) | 1.2 (0.0–3.8) | 0.407 |
Days of gonadotropin b | 10.0 (7.0–20.0) | 10.0 (5.0–18.0) | 0.602 |
Total gonadotropin dose (IU) a | 2180.5 ± 714.5 | 1977.7 ± 897.5 | 0.135 |
Triger day | |||
 FSH a | 14.2 ± 5.2 | 12.5 ± 4.2 | 0.054 |
 E2 a | 2907.5 ± 1667.5 | 3418.8 ± 2262.2 | 0.111 |
 LH a | 2.0 ± 1.6 | 2.5 ± 2.6 | 0.123 |
 P a | 0.7 ± 0.5 | 0.7 ± 0.4 | 0.851 |
 Follicle (14–16 mm) b | 9.0 (1.0–20.0) | 11.5 (1.0–24.0) | 0.239 |
 Triger day endometrial thickness (mm) a | 11.5 ± 2.4 | 9.3 ± 2.5 | < 0.001 |
No. of mature oocytes b | 9.0 (1.0–22.0) | 10.0 (1.0–23.0) | 0.929 |
Normal fertilization rate a | 79% | 80% | 0.986 |
No. of degenerating cleavages a | 0.1 ± 0.6 | 0.4 ± 0.7 | 0.005 |
No. of good-quality embryos a | 4.6 ± 2.6 | 3.5 ± 3.2 | 0.019 |
No. of abandoned embryos a | 2.8 ± 2.2 | 4.0 ± 4.2 | 0.018 |