I'm not stressed or anything, but my period is always accurate even when using my other <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">period tracker</a>. I still haven't came on and plus I did have unprotected sex and protected sex on March 26-27 which was two days before being fertile and on April 2nd which was ovulation day last period was March 15-19 could I come on later during this months ???