Nora Dwi Mareta Sihombing, Anita Veronika, Desriati Sinaga and Aprilita Br Sitepu 2025. Overview of Mothers’ Knowledge about Physical Changes in Perimenopausal Women in Hamlet V Sei Mencirim, Sunggal District, in 2025. International Journal of Health Engineering and Technology. 4, 4 (Nov. 2025). DOI:https://doi.org/10.55227/ijhet.v4i4.406.