Table 2 Comparisons of treatment measures, outcomes of COS, IVF/ICSI and PRs
|  | < 8 mm | ≥8 mm | p |
|---|---|---|---|
No. of ET cycles | 14 | 148 | Total n = 162 |
No. of GnRH antagonist cycles | 50.0% (7/14) | 48.0% (71/148) | NS |
Days of Gn | 10.1 ± 2.0 | 10.4 ± 1.9 | NS |
Total dose of Gn (IU) | 2756.7 ± 1148.0 | 2850.1 ± 1062.1 | NS |
E2 on hCG day (pmol/L) | 8608.9 ± 5132.1 | 6762.4 ± 5126.7 | NS |
Progesterone on hCG day (nmol/L) | 2.1 ± 1.1 | 2.7 ± 1.8 | NS |
EMT on hCG day (mm) | 6.9 ± 0.8 | 10.8 ± 2.1 | 0.000* |
No. of oocytes retrieved | 12.7 ± 6.0 | 13.7 ± 7.9 | NS |
No. of mature oocytes | 9.6 ± 4.9 | 11.2 ± 7.1 | NS |
No. of fertilized oocytes | 6.1 ± 3.7 | 7.3 ± 4.9 | NS |
No. of embryos transferred | 2.1 ± 0.5 | 2.2 ± 0.6 | NS |
 - No. of good embryos | 1.7 ± 0.6 | 1.4 ± 0.9 | NS |
 - No. of fair embryos | 0.4 ± 0.8 | 0.8 ± 0.8 | NS |
No. of ET cycles using blastocyst | 7.1% (1/14) | 11.5% (17/148) | NS |
No. of embryos cryopreserved | 1.4 ± 1.7 | 2.2 ± 2.7 | NS |
No. of cycles with POR | 0% (0/14) | 5.4% (8/148) | NS |
No. of cycles with ICSI | 64.3% (9/14) | 62.8% (93/148) | NS |
TPR per ET cycle (%) | 21.4% (3/14) | 55.4% (82/148) | 0.015* |
BPR per ET cycle (%) | 0% (0/14) | 3.4% (5/148) | NS |
CPR per ET cycle (%) | 21.4% (3/14) | 52.0% (77/148) | 0.029* |
IR (%) | 16.6 ± 36.4 | 31.6 ± 35.5 | NS |
MR (%) | 0% (0/3) | 24.7% (19/77) | NS |
OPR/ LBDR per ET cycle (%) | 21.4% (3/14) | 39.2% (58/148) | NS |