Table 3 Live birth rates according to serum progesterone levels.

From: Progesterone elevation on the day of hCG trigger has detrimental effect on live birth rate in low and intermediate ovarian responders, but not in high responders

P level (ng/mL)

Overall OR (95% CI) p value

Low ovarian responders OR (95% CI) p value

Intermediate ovarian responders OR (95% CI) p value

High ovarian responders OR (95% CI) p value

<1.0

—

—

—

—

1.0–1.5

0.761 (0.596–0.971) 0.028

0.271 (0.081–0.908) 0.024

0.787 (0.597–1.037) 0.089

0.730 (0.371–1.436) 0.371

1.5–2.0

0.708 (0.507–0.989) 0.042

0.389 (0.088–1.715) 0.197

0.807 (0.552–1.179) 0.267

0.447 (0.184–1.076) 0.071

2.0–2.5

0.507 (0.298–0.861) 0.011

0 0.603

0.382 (0.194–0.754) 0.004

1.016 (0.396–2.605) 0.973

≥2.5

0.373 (0.230–0.604) 0.001

0.162 (0.021–1.225) 0.058

0.299 (0.158–0.567) 0.000

0.315 (0.184–1.793) 0.518

  1. CI, confidence interval; OR, odds ratio. Data are expressed as ORs (95% CIs) for each of the serum progesterone levels compared with the lowest P group (<1.0 ng/mL).
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