HELP ladies PLEASE!!!!!

Husband and I had a baby 6 wks ago we have been pulling out during sex till our 6 wks check up which is coming up in couple of days until I get on BC this pass week I have been not acting my self sooo emotional cry over anything cramping crazy but still no period so took this husband and I hoping this is WRONG!!! How accurate are this cheep tests and what are the chance of me actually being pregnant I didn't even know u can ovulate this quick + my husband pulled out every single time and I know that there is no way this is true!!!

😩😩😩😩😩😩😩!