ANYONES AF DUE DECEMBER2? #TTC for about 5 months. HELP!

AF is due December 2! I haven't been feeling too well, but every other month I get negative results. I'm kind of giving up, but don't really want too šŸ˜ž is anyone on the same boat. I've been nauseous, mild cramping, creamy discharge. TIRED ALL THE TIME. When should I take a pregnancy test? HELP HELP HELP PLEASEĀ