- Menstrual abnormality of women using etonogestrel subdermal implants (N=345).
| Menstrual abnormality | n (%) | 95% CI |
|---|---|---|
| Any menstrual abnormality | 303 (88.0) | 85-92 |
| Abnormal duration | ||
| Increased | 134 (39.0) | 34-44 |
| Decreased | 46 (13.0) | 10-17 |
| Amenorrhea | 104 (30.0) | 25-35 |
| Abnormal amount | ||
| Increased | 66 (19.0) | 15-23 |
| Decreased | 78 (23.0) | 18-27 |
| Irregular interval | 284 (84.0) | 80-88 |
Values are presented as numbers and percentages (%) and 95% confidence interval (CI).