From: Optimal parameters for determining the LH surge in natural cycle frozen-thawed embryo transfers
Parameter | Group A (n = 270) | Group B (n = 137) | Odds ratio (95% CI) | P value |
---|---|---|---|---|
Number of transferred blastocysts | 1.5 ± 0.5 | 1.4 ± 0.5 | – | 0.50 |
Clinical pregnancy rate (%) | 60.3 | 46.7 | 1.7 (1.1–2.6) | 0.009 |
Spontaneous abortion rate (%) | 12.2 | 14.0 | 0.85 (0.3–1.9) | 0.71 |
Live birth rate (%) | 52.9 | 40.1 | 1.6 (1.1–2.5) | 0.01 |