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RESEARCH LETTER
Year : 2010  |  Volume : 13  |  Issue : 1  |  Page : 109-113

Age at menarche and menstrual pattern in secondary schoolgirls in Sagamu


1 Department of Obstetrics and Gynaecology, Obafemi Awolowo College of Health Sciences, Olabisi Onabanjo University, Sagamu, Nigeria
2 Department of Medicine, Obafemi Awolowo College of Health Sciences, Olabisi Onabanjo University, Sagamu, Nigeria
3 Department of Medical Physiology, Obafemi Awolowo College of Health Sciences, Olabisi Onabanjo University, Sagamu, Nigeria

Correspondence Address:
P O Adefuye
Department of Obstetrics and Gynaecology, Obafemi Awolowo College of Health Sciences, Olabisi Onabanjo University, Sagamu
Nigeria
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Source of Support: None, Conflict of Interest: None


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Background: Menarche is the first menstruation in the life of a woman. Menstrual pattern involves the length of bleeding, the length of the cycle and other associated events such as pain (dysmenorrhoea). Dysmenorrhoea has been identified as a reason for school absenteeism in girls. Objective: To determine the mean age at menarche and pattern of menstruation in the sub-urban district of Southwestern Nigeria and to demonstrate the influence of pre-menarcheal education on the attitude of the respondents. Method: Students in senior secondary classes were randomly selected from seven Secondary Schools in the town. The tool was a self administered simple questionnaire and analysis was done using SPSS 11.0 statistical package. Result: The mean age at menarche was 13.8 (±1.3) and the range were 10 to 18 years. The mean length of the cycle was 26.9 (±3.7) and the range was from 14 days to 32 days. The duration of flow ranged from 1 day to 13 days with a mean of 4.6 (± 1.2) days. Fifty three point four percent of the respondents had varying severity of dysmenorrhoea. There is a better perception of dysmenorrhoea in girls who had pre-menarcheal education (p=0.000). Conclusion: Mean menarcheal age of 13.8 (±1.3) days compared favourably with findings in recent studies and also agree with declining trends over the past decades. Pre-menarcheal education will improve perception of dysmenorrhoea and thus reduce school absenteeism resulting from it.


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