Table 3.
Clinical parameters of the subjects with and without pregnancy
| Variable | Pregnancy | Nonpregnancy | P |
|---|---|---|---|
| Cases | 100 | 96 | - |
| Age (years) | 30.74 ± 4.42 | 31.08 ± 5.16 | ns |
| BMI (kg/m 2 ) | 21.19 ± 3.60 | 21.68 ± 2.76 | ns |
| Antral follicle count (both ovaries) | 15.63 ± 6.23 | 11.94 ± 6.74 | ns |
| Ovary volume (mL) | 6.12 ± 3.18 | 5.34 ± 2.74 | ns |
| FSH (IU/L) | 8.30 ± 2.41 | 9.38 ± 5.63 | ns |
| LH (IU/L) | 5.19 ± 3.16 | 5.19 ± 3.39 | ns |
| E 2 (pg/mL) * | 48.33 ± 37.49 | 64.46 ± 37.95 | <0.01 |
| T (ng/L) | 1.73 ± 0.92 | 1.74 ± 0.79 | ns |
| PRL (pg/mL) | 15.91 ± 7.71 | 17.36 ± 8.97 | ns |
| Sperm number (×10 6 /ml) | 0.35 ± 0.16 | 0.42 ± 0.18 | ns |
| Sperm motility (%) | 2.65 ± 0.63 | 2.85 ± 0.79 | ns |
| Days of stimulation* | 11.41 ± 2.33 | 10.24 ± 4.19 | 0.016 |
| Gonadotropin dose (IU) | 2212.09 ± 848.13 | 2089.00 ± 1127.21 | ns |
| Retrieved oocytes* | 14.14 ± 4.13 | 10.38 ± 3.31 | <0.01 |
| Oocyte maturation rate (%) | 84.30 ± 13.67 | 83.38 ± 20.78 | ns |
| Normal fertilization rate (%) | 71.47 ± 17.93 | 69.63 ± 29.89 | ns |
| Cleavage rate (%)* | 90.05 ± 13.30 | 83.04 ± 27.96 | 0.024 |
*p < 0.05, the pregnancy group compared with the nonpregnancy group; ns: not significant.