no period

krystal • krystalmarks

so on my app I was meant to get my period sunday and it hasnt come I'm three days late I've taken like 5 pregnancy test from 10 dpo till last night all negative but the last two months I've gotten my preiod 4 days early and my other <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period app</a> says I'm due friday my boobs are killing me