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T2 division timing by BMI—univariate analysis.
| BMI | Estimated T2 (Ln) | SE | T2 Time, (h) | 95% CI |
|---|---|---|---|---|
| Normal weighta | 3.27 | 0.007 | 26.4 | 26.0, 26.7 |
| Overweighta | 3.27 | 0.009 | 26.3 | 25.9, 26.8 |
| Obese | 3.24 | 0.009 | 25.6 | 25.2, 26.1 |
| Morbidly obesea | 3.30 | 0.023 | 27.0 | 25.9, 28.3 |
BMI = body mass index; CI = confidence interval; SE = standard error; T2 = the time at which the embryo presented 2 separate and distinct cells.
P<.05 compared with obese patients.
