[ 1 ]. FACTORS ARE RELATED TO IRREGULARITY OF MENSTRUATION CYCLE (STUDY ON FEMALE STUDENTS OF MADRASAH ALIYAH NEGERI 1 IN AIR PUTIH SUB DISTRICT AT SAMARINDA ULU DISTRICT)
FACTORS ARE RELATED TO IRREGULARITY OF MENSTRUATION CYCLE (STUDY ON FEMALE STUDENTS OF MADRASAH ALIYAH NEGERI 1 IN AIR PUTIH SUB DISTRICT AT SAMARINDA ULU DISTRICT)