Experiencing cramps and tender breasts, but no period??

So my period is about five days late. I usually start around the tenth, but still nothing. Then I've been having weird cramps. They'd come, then leave. Usually my period cramps are all at once and are bad. And I've been having tender breasts, whenever I press on them, they ache. And..yes, I did have unprotected sex. But, we did the withdraw method and he knew EXACTLY when he was about to cum. But I think pre cum might've done something. But <a href="https://play.google.com/store/apps/details?id=com.glow.android.eve">Eve</a> said I was no longer fertile... What's going on? Is my period coming or..???