| Preston D and col. [19] | 28 years | 38 weeks + 4 days | high blood pressure and pre-eclampsia | caesarean section for fetal distress | diameter: 3 cm depth: 3 cm | none | conservative | full resolution in 6 month |
| Veeravagu A. and col. [20] | unspecify | 39 weeks + 5 days | none | vaginal delivery | unspecify | none | surgery | full resolution |
| unspecify | 38 weeks | none | vaginal delivery | unspecify | none | surgery | full resolution |