| | Histology of ovarian tumor | Age years | % | Age years, | % |
| | Serous cystadenoma | 11 | 44.0 | 42 | 18.0 | | Mature cystic teratoma | 5 | 20.0 | 66 | 28.3 | | Mucinous cystadenoma | 5 | 20.0 | 11 | 4.7 | | Simple cyst | 2 | 8.0 | 5 | 2.2 | | Endometrioma | 1 | 4.0 | 100 | 42.9 | | Other | 1 | 4.0 | 9 | 3.9 |
| | Total | 25 | 100 | 233 | 100 |
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