Variables | Group1 | Group2 | Group3 | Group4 | P value |
---|---|---|---|---|---|
(N = 396) | (N = 2578) | (N = 2770) | (N = 981) | ||
Age (years) | 30.89 ± 5.88 | 30.22 ± 5.02 | 29.89 ± 4.44 | 29.89 ± 4.56 | < 0.01 |
Duration of infertility (years) | 3.49 ± 3.98 | 3.91 ± 3.16 | 3.84 ± 2.95 | 4.01 ± 2.55 | 0.00188 |
Endometrial patterns | < 0.01 | ||||
A | 224 (56.6%) | 1877 (72.8%) | 1973 (71.2%) | 570 (58.1%) | |
B | 123 (31%) | 409 (15.9%) | 548 (19.9%) | 271 (27.6%) | |
C | 49 (12.4%) | 202 (7.8%) | 249 (9%) | 140 (14.3%) | |
Embryo transferred | 1.06 ± 0.85 | 1.19 ± 0.88 | 1.21 ± 0.91 | 1.17 ± 0.88 | < 0.01 |
Progesterone(ng/ml) | 1.09 ± 2.22 | 1.1 ± 0.44 | 1.05 ± 0.42 | 1.03 ± 0.38 | 0.181 |
Clinical pregnancy | 74 (18.7%) | 831 (32.2%) | 1006 (36.3%) | 391 (39.9%) | < 0.01 |