| Table 1:Shows the parameters of 20 cases of benign ovarian teratomas excised at cesarean section in Nigeria. Only the noted data are analyzed. | |||||
| Series | Age | Parity | Side | Size (cm) | Stated etiology | 
| 1 | 16 | 0 | R | 5 | Placenta praevia | 
| 2 | 38 | 3 | L | 8 | Obstructed labor | 
| 3 | 39 | 10 | B | 3,2 | Obstructed labor | 
| 4 | 29 | 2 | L | 8 | Obstructed labor | 
| 5 | 39 | 8 | R | 3 | Placenta praevia | 
| 6 | 38 | 10 | L | 6 | Termination | 
| 7 | 30 | - | L | 10 | Not Stated | 
| 8 | 28 | 7 | L | 6 | Unstable lie | 
| 9 | 31 | 3 | L | 5 | 3 previous sections | 
| 10 | 36 | 5 | R | 9 | Transverse lie | 
| 11 | 35 | 1 | R | 8 | 7 years infertility | 
| 12 | 42 | 9 | L | 8 | Elective | 
| 13 | 30 | 4 | R | 6 | 3 previous sections | 
| 14 | 30 | - | R | 8 | Obstructed labor | 
| 15 | 24 | 0 | L | 6 | Antepartum hemorrhage | 
| 16 | 33 | 0 | L | 2 | Preeclampsia | 
| 17 | 30 | 0 | R | 3 | Emergency | 
| 18 | 34 | 1 | R | 9 | Elective | 
| 19 | 32 | 4 | B | 3,3 | 3 previous sections | 
| 20 | 26 | 3 | R | 6 | Placenta praevia |