Hey everyone! So I'm a 17 year old, I've had my period since I was about 10. I wouldn't really describe my periods as extremely regular because they fluctuate. But last month I had my period from the 17-22, and I still haven't started this month. I always have protected sex also. Last week was a crazy stressful week because of finals, and also this week being stressful as well because I've not been sleeping well. Is this normal? I feel weird because I haven't started yet. According to <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a> I was supposed to start the 11th! Am I just being paranoid? Thanks ladies!!!