| Case 1 | Case 2 | Case 3 | |
| Mismanaged pregnancy | + | + | + |
| Maternal syphilis serology | + | - | + |
| Newborn | RCIU | RCIU | RCIU |
| Cutaneous lesions | + | - | - |
| HSMG | + | + | - |
| Bone lesions | + | + | - |
| Newborn syphilis serology | - | + | + |
| Conclusion | Congenital syphilis? | Congenital syphilis? | Congenital syphilis? |