I'm sure this question has been asked before, but I haven't seen an answer yet that really helps me. I've been diagnosed with PCOS and my cycles are extremely irregular. I never know when I actually "start" my period because sometimes I'll spot heavily for a couple days and then it will stop. Then start again, and then stop. And this can go on for weeks. When do I mark my period as actually starting when this happens? It's so frustrating because I want to use this app as accurately as possible, but even Glow has zero clue of when my period is going to start. If anyone else has had similar experiences, I would love to hear your comments!