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E2 and LH levels, and the endometrial thickness on the day when the largest follicle reached 18 mm in control and GnRH antagonist-treated cycles
| Variable | Control cycles | GnRH antagonist-treated cycles | P value |
|---|---|---|---|
| E2 level (pg/mL) | 680.99 ± 374.81 | 463.93 ± 300.60 | <0.05a |
| LH level (IU/L) | 18.59 ± 21.09 | 9.88 ± 12.94 | <0.05b |
| Endometrial thickness (mm) | 9.7 ± 2.0 | 8.9 ± 2.4 | NSb |
Values are means ± SD.
NS not significant
aPaired t test
bWilcoxon Signed Ranks Test
