December 28, 2016 at 1:30 pmDid ovulation occur this cycle?? I have a very irregular cycle, it can vary from 30 - 60 days and now this time it was 31 days. The purple box appeared when I started my new cycle thats when all the color/boxes appeared but throught the cycle, when i started the v-readings the color changed to medium blue everyday until I stopped due to af. Could someone please look at my vhart and explain what happend?? Thanks!