| Outcome | Percent |
| Overall risk of complications | 6.1 |
| Transient fetal heart rate changes | 4.7 |
| Fetomaternal transfusion | 0.9 |
| Emergency cesarean delivery | 0.4 |
| Vaginal bleeding | 0.3 |
| Ruptured membranes | 0.2 |
| Fetal death | 0.2 |
| Placental abruption | 0.2 |
| Cord prolapse | 0.2 |
