| Carbapenemase enzyme | Pregnant women (n = 120) | New-borns (n = 120) |
| Overall | 36 (30.0%) | 19 (15.83%) |
| Class A | 0 | 0 |
| Class B | 17 (14.17%) | 9 (7.50%) |
| Class D | 19 (15.83%) | 10 (8.33%) |