What should i do?

Kelly • SWA 12.12.18

I went off the pill in September and we’ve been ttc. I normally get my period around the 1st of the month. Today is the 13th and no sign of period. I’ve taken 4 tests two came back with a very very faint line and the other two came back with negative. The other day I went to wipe and it was light pink but none other then that day. Am I pregnant how much longer should I wait to test again? Here’s the vvfl tests I got