| Side effects | Frequency | Percentage (%) |
| Spotting | 16 | 27.1 |
| Amenorrhea | 10 | 16.9 |
| Menorrhagia | 10 | 16.9 |
| Headache | 9 | 15.3 |
| Weight gain | 3 | 5.1 |
| Cervical erosion | 3 | 5.1 |
| Increased blood pressure | 3 | 5.1 |
| Breast tenderness | 3 | 5.1 |
| Varicose-vein | 2 | 3,4 |
| Total | 59 | 100% |