Table 3.
Menstrual pattern in recent 12 months postpartum between Bakri balloon group vs control group
| Bakri balloon only (n = 39) | Control (n = 161) | p-value; MD (95% CI) | |
|---|---|---|---|
| Mean interval from delivery to survey (months) (SD) | 47.7 (16.5) | 44.1 (17.0) | 0.26; 3.44 (−2.52 to 9.40) |
| Cycle regularity | 0.20 | ||
| No menses | 0 | 1† | |
| Regular 28 (±7) day cycles | 34 (87.2%) | 127 (79.4%) | |
| Short (< 21 day) or long (> 35 day) cycles | 2 (5.1%) | 25 (15.6%) | |
| Totally irregular cycles | 3 (7.7%) | 8 (5.0%) | |
| Duration of flow | 0.95 | ||
| Little flow < 2 days | 0 (0.0%) | 6 (3.7%) | |
| Normal flow (3–7 days) | 34 (87.2%) | 143 (89.4%) | |
| Prolonged flow (> 7 days) | 5 (12.8%) | 11 (6.9%) | |
| Amount of flow | 0.46 | ||
| Heavy | 6 (15.4%) | 28 (17.5%) | |
| Normal | 27 (69.2%) | 118 (73.8%) | |
| Scanty | 6 (15.4%) | 14 (8.7%) | |
| Presence of dysmenorrhoea | 0.36 | ||
| No dysmenorrhoea | 31 (79.5%) | 130 (81.2%) | |
| Mild | 8 (20.5%) | 24 (15.0%) | |
| Severe requiring medication | 0 (0.0%) | 6 (3.8%) |
MD Mean difference, CI Confidence interval, SD Standard deviation
†One patient with prolong secondary amenorrhoea was excluded from subsequent analysis