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Revista Peruana de Ginecología y Obstetricia

On-line version ISSN 2304-5132


SANDOVAL PAREDES, José; MADRID JARAMILLO, Arnold; SANDOVAL PAZ, Cindy  and  PAZ NUNEZ, Patricia. Factors conditioning dysmenorrhea in adolescents according to socioeconomic strata. Rev Per Ginecol obstet. [online]. 2013, vol.59, n.2, pp.95-100. ISSN 2304-5132.

Objectives: To determine dysmenorrhea prevalence and associated factors in three Lima schools’ students from different socioeconomic strata. Design: Observational, cross-sectional and comparative study. Setting: Universidad Nacional Mayor de San Marcos. Participants: Adolescent students. Interventions: Anonymous survey to 392 teenagers from three schools: Newton College (stratum A), De Jesus (stratum B) and Ciro Alegría (stratum C). Main outcome measures: Dysmenorrhea. Results: Average age of adolescents was 14.8 ± 1.01 years, BMI was 22.7 ± 12.9 and menarche was reported occurring at age 11.9 years average. Average menstrual bleeding was 4.9 days. Percentage of adolescents with dysmenorrhea was 51.7%. Menstrual pain lasted 1.95 days average. School absenteeism was 34.2%, 26.4%, 21.3% in strata A, B and C respectively. Maternal history of dysmenorrhea had an OR = 1.85 (1.38-2.58) and p = 0.0240; fish consumption had an OR = 0.96 (0.66-1.40) and p = 0.0836; tobacco consumption had an OR = 1.33 (0.68-2.60) and p = 0.4207. Tobacco consumption was clearly higher in stratum A, almost 16% compared with 4% in stratum C. Conclusions: Age of menarche was similar to national studies. Duration of menstrual period was 4.9 days, higher in one day to that reported in adult women. One in two teenagers presented dysmenorrhea and menstrual pain lasted 2 days average. School absenteeism was one in each four students because of menstrual pain, mainly in high social status students. Presence of dysmenorrhea was significantly related to maternal history. Fish consumption, physical activity and smoking were not associated with dysmenorrhea. Tobacco consumption was high in social strata A compared with low strata.

Keywords : Dysmenorrhea; adolescents; menstrual cycle; prevalence; school absences.

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