I need help

According to <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">eve</a> my period is late by 3 days. My period normally is pretty regular, some cycles 1-3 days off. I am starting to worry which worries me more because I don’t want to be stressed and delay my period even more. I am having thick white discharge right now when my

Period should be starting. I took a test yesterday and it said I wasn’t pregnant. I had PMS, I’ve went through all of the symptoms besides cramping which normally lets me know my period is about to start. I don’t know what to do,