Table 1 Demographic characteristics and live birth rate of all five different age groups
| Â | All | Age | Â | Â | Â | Â | Â |
| Â | Â | <30 | 30-35 | 35-37 | 37-40 | >40 | Â |
N | 13790 | 2202 | 4739 | 1913 | 2763 | 2173 | Â |
| Â | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | Mean (SD) | p-values |
BMI (kg/ m2) | 25.9 (6.0) | 26.0 (6.2) | 25.7 (6.0) | 26.1 (5.9) | 26.1 (5.9) | 26.1 (5.8) | 0.012 |
Estradiol (pg/ml) | 2261 (1485) | 2732 (1673) | 2436 (1508) | 2277 (1483) | 1950 (1274) | 1751 (1220) | <0.001 |
FSH (mIU/ml) | 7.6 (3.8) | 6.5 (2.9) | 7.2 (3.3) | 7.6 (3.9) | 8.2 (4.1) | 8.8 (4.6) | <0.001 |
AMH (ng/ml) | 2.4 (2.7) | 4.0 (3.4) | 2.9 (2.9) | 2.1 (2.3) | 1.5 (1.7) | 1.2 (1.3) | <0.001 |
Live Birth (%) | 23.5 | 35.9 | 29.9 | 23.5 | 15.4 | 7.0 | <0.001 |