I've tested neg but no period ...advice?

been calculating my cycles and i have 30 day cycle. i ovulated on day 16 which i confirmed using an opk we had intercourse every other day the whole month tho to keep sperm count up. i was due on yesterday tested mon using a first responce test which are supposed to detect 6 days before period is due which mean it would have only been 3 days before period was due. i started getting thrush sun which i believe can be a symptom i've also been very emotional, but this could also be a sign of my period also...? what do you think i should do shall i wait a bit longer or do another test ?