Table 2 Description of menstrual period of 763 female high-school students in Kuwait, 2017
From: Dysmenorrhea among high-school students and its associated factors in Kuwait
| Â | Number | Percent |
|---|---|---|
Age of menarche, mean (SD) years | 12.1 (1.3) | Â |
Regularity of menstrual perioda | ||
 Regular | 367 | (48.1) |
 Irregular | 396 | (51.9) |
Duration of menstrual period (days) | ||
  ≤ 3 | 31 | (4.1) |
 4–5 | 268 | (35.1) |
 6–8 | 428 | (56.1) |
  > 8 | 36 | (4.7) |
Number of pads changed in the first three days of period | ||
  ≤ 3 | 240 | (31.5) |
 4–5 | 351 | (46.0) |
  ≥ 6 | 172 | (22.5) |
Flow of menstrual period (as described by the participants)b | ||
 Mild | 59 | (7.7) |
 Moderate | 467 | (61.3) |
 Heavy | 115 | (15.1) |
 Heavy with clots | 121 | (15.9) |