Pregnant test

Sophie • ✨ 🩵 Noah-Neil Sefton-Rawson 🩵✨ 22/08/18 👼🏻 02/05/19 👼🏻 29/11/19 👼🏻

Hi

Was wondering when the best time to take a pregnancy test, I don’t know when AF is due as my periods are never on time but I have been TTC our rainbow baby I just want to know when the best time to take a test or shall I just wait to see if AF arrives and just keep BD with my partner?