Im Not Trying But If I Am Then We're Happy

So Me and my fiance bd after my period wgich was in july 5-10th we bd alot so i didnt know if i ovulated anywho my period came back july31st-aug4 i think very light then bright read but not heavy or painful so now after aug 5 i have had CERY baf mood swings i hurt his feelings one night i have been peeing alot and some reason im always hungry right after i eat smh i have had lots of headaches and now im stuffy with a cold and high fever my boobs are kinda sore but im confused on my periods and wondering if we conceived or not the apo says im not due til sept 1st my periods are so thrown off we stopped ttc has anyone been here before 👀