| Malformation | 2008 | 2009 | 2010 | 2011 | Total |
| Neurological | 50 | 19 | 31 | 33 | 133 (19.7%) |
| Neural tube | 30 | 13 | 17 | 20 | 80 (11.9%) |
| Microcephaly | 0 | 1 | 1 | 0 | 2 (0.3%) |
| Hydrocephaly | 17 | 4 | 11 | 12 | 44 (6.5%) |
| Others | 3 | 1 | 2 | 1 | 7 (1%) |
| Eye | 1 | 1 | 1 | 0 | 3 (0.4%) |
| Ear, face | 4 | 4 | 3 | 3 | 14 (2%) |
| Orofacial clefts | 9 | 3 | 9 | 12 | 33 (4.9%) |
| Digestive | 5 | 0 | 3 | 0 | 8 (1.2%) |
| Abdominal wall | 8 | 3 | 5 | 2 | 18 (2.7%) |
| Respiratory | 1 | 0 | 2 | 0 | 3 (0.4%) |
| Cardiac | 1 | 0 | 1 | 0 | 2 (0.3%) |
| Urogenital | 14 | 14 | 10 | 14 | 52 (7.7%) |
| Membres | 24 | 28 | 22 | 25 | 99 (14.7%) |
| Genetic | 16 | 17 | 10 | 16 | 59 (8.8%) |
| Polymalformation | 17 | 19 | 23 | 28 | 87 (13%) |
| Others | 8 | 10 | 1 | 11 | 30 (4.5%) |
| Total | 208 | 137 | 152 | 177 | 674 |