How long should I wait to take a pregnancy test

Hey guys I need some advice, so me and my partner had sex right after my period has ended and usually I will stress over the two week wait but I found something too keep my mind off of but then I started eating Swiss cheese something I really don't eat I've been feeling really nauseated and it is 2 day until I get my period and I haven't had any blood or spotting which is weird I always spot 4-3 days before AF