Hubungan Asupan Karbohidrat, Asupan Lemak, dan Status Gizi terhadap Kejadian Gangguan Menstruasi pada Mahasiswi Preklinik Fakultas Kedokteran Universitas Indonesia. = The Correlation Between Carbohydrate Intake, Fat Intake and Nutritional Status with The Incidence of Mentsrual Disorders in Preclinical Students Faculty of Medicine at Universitas Indonesia