Prevalence of Endometriosis among Adolescent School Girls with Severe Dysmenorrhea : A Cross Sectional Prospective Study

Ahmed Ragab, Maher Shams, Ahmed Badawy, Mohamed Alkhatim Alsammani
International journal of health sciences · 2015 · vol. 9(3) , pp. 271–279 · doi:10.12816/0024694 · PMID:26609292 · W1879466172
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⚙ AI-generated summary by claude@2026-06, 2026-06-08 ⓘ

This cross-sectional study found endometriosis prevalence to be 12.3% among adolescent school girls experiencing severe dysmenorrhea, confirmed by laparoscopy or suggested by imaging.

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The paper investigated the prevalence of endometriosis among adolescent school girls reporting severe dysmenorrhea using a cross-sectional prospective study design. The main finding was that endometriosis was identified with a measurable prevalence in this high-risk group of adolescents with severe menstrual pain. A key limitation is that, as a cross-sectional study, it provides prevalence and cannot establish causal relationships between dysmenorrhea severity and endometriosis. This paper is centrally about endometriosis — estimating its prevalence among adolescent school girls with severe dysmenorrhea.

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Abstract

OBJECTIVES: To determine the prevalence of endometriosis among adolescent school girls with severe dysmenorrhea. METHODOLOGY: Data was collected via interviewed questionnaire. Patients with symptoms and signs suggestive of endometriosis were further evaluated by abdominal ultrasonography (AUS), serum cancer antigen 125 (CA125). Laparoscopy was done for confirmation in those who agreed. Those who declined laparoscopy were offered magnetic resonance imaging (MRI). RESULTS: A total number of 654 adolescents were interviewed. Their mean age was 15.2 ± 3.53 SD years. The mean duration of cycles and flow days was 29 ± 8.4 SD and 4 ± 2.8 SD respectively. The age of menarche in years was 13 ± 1.2 SD. Cycles were regular in 77.4 % (n=506) while irregular in 22.6 % (n=148). Of all studied girls, 48.9% (n=320) had menstrual pain of varying degree of severity. Severe dysmenorrhea was reported in 68.8 % (n=220/320) of them. Fifty six of these cases (25.5 %) had ultrasound findings suggestive of endometriosis. CA125 was elevated in 41.5 % (n= 27/56) of them. Patients accepted laparoscopic confirmations were 34, of them 79.4%, (n=27) had positive histo-pathological evidence of endometriosis. MRI was offered to those declined laparoscopy (n=22). Endometriosis was suggested in 77.3% of them. CONCLUSION: The study concluded the prevalence of endometriosis in adolescents with severe dysmenorrhea was 12.3 % despite some declined laparoscopy. The unacceptability of laparoscopy and unfeasibility of local examination and trans-vaginal ultrasound add more to the difficulty of diagnosis.
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endometriosisdysmenorrhea

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