| Risk factors | n (152) | % |
| BMI ≥ 25 Kg/m2 | 123 | 80.9 |
| Male sex of fetus | 89 | 58.6 |
| Maternal overweight (≥90 Kg) | 71 | 46.7 |
| Maternel age ≥ 35 ans | 51 | 33.6 |
| Multiparity | 49 | 32.2 |
| Previous macrosomia | 41 | 27 |
| Gestational diabetes | 30 | 19.7 |
| Previous miscarriage | 23 | 15.1 |
| Family diabetes type 2 | 22 | 14.5 |
| Previous stillbirth | 7 | 4.6 |
| Personal diabetes type 2 | 4 | 2.6 |
| Previous hydramnios | 4 | 2.6 |
| Previous fetal malformation | 1 | 0.7 |