TABLE 4.
Characteristics of fresh nondonor IVF/ICSI cycles in a subset of African-American and white patients who subsequently used the cryopreserved embryos for frozen blastocyst transfer cycle.
| Characteristic | African-American women (n = 30) | White women (n = 68) | P value |
|---|---|---|---|
| Age (y) | 32.8 ± 3.1 | 32.7 ± 3.7 | .897 |
| Basal antral follicle count | 16.0 ± 8.3 | 15.7 ± 8.7 | .39 |
| Basal FSH (IU/mL) | 6.9 ± 2.1 | 6.5 ± 2.8 | .35 |
| Peak E2 (pg/mL)a | 5,355 ± 2,567 | 4,541 ± 2,075 | .078 |
| Days of stimulation | 10.7 ± 1.1 | 10.1 ± 1.3 | .022b |
| Total gonadotropins used( U) | 2,479 ± 1,567 | 3,045 ± 1,384 | .057 |
| No. of embryos transferred | 2.00 ± 0.37 | 2.16 ± 0.44 | .085 |
| Pregnancy rate | 46.7% (14/30) | 61.8% (42/68) | .189 |
| Clinical pregnancy | 40.0% (12/30) | 50.0% (34/68) | .388 |
| Spontaneous abortion | 23.3% (7/30) | 8.8% (6/68) | .061 |
| Live birth rate | 16.7% (5/30) | 39.7% (27/68) | .035b |
Note: All values are presented as mean ± SD as appropriate. ICSI = intracytoplasmic sperm injection.
a
Serum E2 drawn on the day after hCG injection.
b
P< .05, statistically significant difference.
Csokmay. Ethnic disparity in frozen embryo cycles. Fertil Steril 2011.