After having a regular period i am getting a irregular period. I am 16
i am a 16 years old girl. When i was 14 - 15, i have my first Menstruation. my Menstruation periods is about 1 - 2 months regularly. but now, i have Menstruation in 3 months once. i am afraids. am i have a bad dissease??? i haven't done anythng wrong (no sex). What should i do now???