I should on my period now, but it didnt coming yet

Hmm, i should on my period on 24 oct from <a href="https://play.google.com/store/apps/details?id=com.glow.android">glow apps</a>, but still not coming until now, im ttc and so im 4 days late, i already test but still negative, should i just waiting until a week then test it again or... im so confuse