Ok so i’m 24, have had my period for probably about 10 years now, obviously they stared out irregular, but for the past 2 years or so they’ve been regular like 28-30 exactly every single time, then the end of 2018 hit and I did a lot of traveling and had 2 in one month with a 21 day cycle, then missed one, had a weird one, now I’m again 5 days late for this month. I took a ridiculous number of tests and all have been negative, even 2 after I had a weird period last month so i don’t think I’m pregnant but the slim possibility is still freaking me out to no end! Shouldn’t i be regular still by now considering my age and how long they’ve been regular already?? Why is my cycle suddenly changing SO much?!