THE EFFECT OF ABDOMINAL STRETCHING EXERCISES ON DHYSMENORREA DECREASE OF ADOLESCENT IN ENVIRONMENT DUSUN III, HELVETIA SUB- DISTRICT, SUNGGAL, MEDAN. Journal of Health Management, Administration and Public Health Policies, [S. l.], v. 4, n. 1, p. 8–17, 2026. DOI: 10.52060/healthmaps.v4i1.4527. Disponível em: https://www.ejournal.ummuba.ac.id/index.php/HealthMAPs/article/view/4527. Acesso em: 31 jul. 2026.