Table 2-A.
Relevant data selected from different countries
| Study ID and Country | Study design | Number of subjects and age (yrs.) | Age (yrs.) at menarche | Duration of menstrual bleeding | Entity of menstrual bleeding |
|---|---|---|---|---|---|
| 1. Widholm O and Kantero RL. AOGS 1971;14:19-29. Scandinavia | Self- administered questionnaire. | 5,485 menstruating adolescent girls. Range: 10-20 yrs. |
N.A. | 2-3 days in the 1st gynecological year in 8.8 % and after the 5th gynecological year was 3.7 % . | N.A. |
|
2. FlugD et al. Ann Hum Biol 1984;6:495-508. Switzerland |
Prospective longitudinal study. | 140 girls (urban Swiss population). | 13.4 ± 1.1 yrs. | 2 or less in 1.6% (1st yr after menarche) and 0.7%, six yrs after menarche. | Mild in 16.3 % (1st yr after menarche) and 10.9 %, six yrs after menarche. |
|
3. Lee L K et al. Singapore Med J 2006; 47:869-74. Malaysia |
Self- administered questionnaire (7 districts). | 2,411girls. 15.4 ±1.8 yrs. (Range: 12- 19 yrs). |
12.3 ± 1.1 yrs. | 2 or less in 1.6%. | ≤4 pads per day in 70.8%. |
|
4. Zegeye DT et al. BMC Womens Health 2009;(9): 29. Northwest Ethiopia |
Self-administered questionnaire | 612 subjects. Range:14- 19 yrs. |
14.8 (13.9-15.3) yrs. | 4 ± 1.3 days wit a range of 2-7 days. 2-3 days in 262 subjects (46.7%). |
3 ± 1.8 (range 1-12) pads per day. |
|
5. Begum J et al. Dinajpur Med Col J 2009; 2: 37-43. Dinajpur, Bangladesh |
Anonymous questionnaire distributed by the researchers. | 174 students. 21.1 ± 1.6 yrs. Range:19-25 yrs. |
N.A. | 1 day in 0.57%. | N.A. |
|
6. Santos IS et al. BMC Womens Health. 2011;11: 26. Brasil |
Cross-sectional study. | 204 subjects Range: 18-24 yrs. |
Menarche between 11 and 12 yrs in 42.2%. | Average duration of menstrual period: 4.4 days (Range:1 -3 days). |
2.8 regular size sanitary pads per day in 17.6 %. |
|
7. Lee JC et al. Korean J Pediatr 2011;54:201-6. Seoul, Korea |
Self-administered questionnaire. | 538 students. 14- 18 yrs. Mean age:16.1 yrs. |
Mean age at menarche 12.6 yrs. | 1-2 days in 0.4%. | Low number of sanitary pads (≤3) in 24.3%. |
|
8. Karout et al. East Mediterr Health J 2012;18:346-52. Beirut, Lebanon |
Self-administered questionnaire. | 352 students. Mean age: 20.9 yrs. Range: 18 – 26 yrs). |
13.2 yrs. | < 3 days in 2%. | < 1 pad per day in 2.0 %. |
Legend : N.A. not available.