Table 1.
Demographic characteristics of women according to the number of embryos transferred (ET)
| Variables | Two ET (n=193) | Three ET (n=194) | P value |
|---|---|---|---|
| Age mean (SD) | 29.6 (5.3) | 27.5 (3.5) | <0.001 |
| BMI mean (SD) | 24.6 (3.4) | 24.7 (3.1) | 0.48 |
| Infertility duration n (%) | 7.0 (5.0) | 6.6 (3.8) | 0.4 |
| Infertility reason n (%) | - | - | 0.59 |
| Male factor | 105 (45.4) | 113 (58.2) | - |
| Tubal factor | 9 (4.7) | 21 (10.8) | - |
| Ovulatory factor | 25 (13) | 19 (9.8) | - |
| Unexplained | 20 (10.4) | 15 (7.8) | - |
| Multiple factors | 34 (17.6) | 26 (13.4) | - |
| No. of previous cycles n (%) | 0.8 (0.5) | 0.7 (0.7) | 0.2 |
SD; Standard deviation and BMI; Body mass index.