i had a normal cycle on june the 19 th and 13 days later on july the 3rd i had started to have sum light pink spotting and that had last for about 2 days and then it had stop for like a day and then the very next day it had strated agian but it wasnt getting on the pad i had to use the thin pad but which that was to early to have another cycle iam on the 28 day cycle and that but it all last about 16 days on and off and when july 15 had came it started to flow but when i had woke up sat the 16 of july it had flow but the next day it was lighting uo and on the day after that it when back to pinkish color and by tuesday cam i had stop not understandin what had happen now iam not sure when my next cycle is how would i know when i should be expecting my next cycle thanks i hope to hear from u soon.