Table 2: Distribution of BMI, macrosomic and IUGR newborns with regard of the different maternal weight groups.
| Maternal weight group | BMI before pregnancy n (%) | BMI at delivery n (%) | Macrosomic newborns n (%) corresponding to each weight group |
IUGR newborns n (%) corresponding to each weight group |
| Total population | n = 15439 | n = 15439 | 2024 (13.11% of total population) | 1258 (5.58% of total population) |
| Under weight | 1071 (6.94%) | 10 (0.06%) | 154 (14.69%) | 70 (6.68%) |
| Normal weight | 8579 (55.57%) | 2263 (14.66%) | 1051 (12.41%) | 713 (8.42%) |
| Overweight | 3632 (23.52%) | 7117 (46.10%) | 495 (13.54%) | 287 (7.85%) |
| Obesity | 2157 (13.97%) | 6049 (39.18%) | 324 (14.32%) | 188 (8.31%) |