Relationship Between Obesity and Menstrual Cycle Disorders in Adolescent Girls at SMP Al-Izzah International Islamic Boarding School Batu in 2021 Safa Salsabila Hanum1*, Eighty Mardiyan Kurniawati2, Dwi Apriliawati3 and Pungky Mulawardhana2 Abstract Background: Results of the Riskesdas Nasional 2010 stated that as many as 13.7% of Indonesian women experienced menstrual