I've experienced cramping for the last few days. No af. Tested and got a negative. I've looked up some simliar experiences online and they were saying they didnt get positives until CD 27-30 I'm on CD 27 , 19 dpo i need some advice i have no sign of af coming i have lots of ewcm should i wait another week because glow says today is the last day of my period other apps says i was supposed to start on the first. My periods are very regular and have only ever been 5 days long i just want to know whats going on