Help im so new to this

Ok so iv never experienced a miscarriage i took a test bcs i was 2 days late and it was faint but there! Two days later i started getting super dizzy feeling like to the point i went to the er they took a ultrasound and blood work my levels was 0 and it was all neg the doc told me it was a false pregnancy test the very next morning i woke up to my period but i was clotting alot! Do u ladies think i had a super earlie miscarriage?????