| Table 1. Demographics and transfer cycle characteristics | |
| Mean (SD) | |
|---|---|
| Age (years) | 35.1 (4.2) |
| BMI | 25.7 (6.2) |
| Race/Ethnicity White Asian Hispanic African American Multiple Unknown |
34.0% 28.3% 23.4% 6.2% 5.7% 2.5% |
| Transfer type n (%) fresh blastocyst frozen blastocyst |
90/244 (36.9%) 154/244 (63.1%) |
| Number of embryos transferred n (%) 1 2 3 4 |
66 (27.0%) 154 (63.1%) 22 (9.0%) 2 (0.8%) |
| Day of transfer n (%) Day 5 Day 6 |
233/244 (95.5%) 11/244 (4.5%) |