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T2 division timing by BMI—multivariable analysis.
| BMI | Estimated T2 (Ln) | SE | T2 Time, H | 95% CI |
|---|---|---|---|---|
| Normal weighta | 3.27 | 0.007 | 26.3 | 26.0, 26.7 |
| Overweightb | 3.27 | 0.009 | 26.2 | 25.7, 26.7 |
| Obese | 3.24 | 0.009 | 25.5 | 25.1, 26.0 |
| Morbidly Obeseb | 3.29 | 0.023 | 26.8 | 25.6, 28.0 |
BMI = body mass index; CI = confidence interval; SE = standard error; T2 = the time at which the embryo presented 2 separate and distinct cells.
P<.01 compared with obese patients.
P<.05 compared with obese patients.
