A Study to Assess the Effectiveness of a Structured Teaching Plan on Knowledge Regarding Premenstrual Symptoms Among Early Adolescent Girls in Selected Schools of Agra - Tanuja Singh; Manisha Gond; Himanshi Kukreti; Deepanjali Bagla; Ankita Maurya; Rakesh Kumar Yadav; Seema Yadav (International Journal of Midwifery Nursing And Practices, 2026)