Characteristic | GnRHa-HRT(n = 268) | HRT(n = 996) | P value | |
---|---|---|---|---|
Age (y) | 40.67 ± 2.07 | 40.64 ± 2.04 | 0.804 | |
Years of infertility | 6.28 ± 5.27 | 5.51 ± 4.75 | 0.021✱ | |
BMI (kg/m2) | 22.51 ± 2.99 | 22.72 ± 2.94 | 0.305 | |
FSH (U/L) | 7.24 ± 3.10 | 7.50 ± 3.47 | 0.315 | |
LH (U/L) | 4.00 ± 2.32 | 4.36 ± 2.73 | 0.002✱ | |
Intimal thickness | 9.85 ± 2.23 | 9.14 ± 1.93 | < 0.001✱ | |
No of embryos transferred | 1 | 59(22.01) | 258(25.90) | 0.146 |
2 | 198(73.88) | 677(67.97) | ||
3 | 11(4.10) | 61(6.12) | ||
Embryos transferred | Cleavage stage embryo | 152(56.72) | 627(62.95) | 0.062 |
Blastocyst | 116(43.28) | 369(37.05) | ||
Fertilization method | IVF | 77(28.73) | 241(24.20) | 0.053 |
ICSI | 185(69.03) | 746(74.90) | ||
IVF + ICSI | 6(2.24) | 9(0.90) |