 [ Symptoms ] periods or lack there of in my teens 20 is i had my first period in my mid teens several years ago my period was kinda late for normal it started and was irregular last year i was traveling a bit and my period was irregular for a bit again it was kind of attributed to travel last feb may it was regular and on schedule then it stopped no sign of coming back have not had my period for june oct i was traveling again this summer but been back several months and no period i am not pregnant not on birth control [ Disease ] hi time to see your doctor or gyno get do get sorted out far better than us trying to get to the bottom and all with out tests a blood test would be a good start as this tells all good luck