I Had My Tubes Tied 3 Years Ago I Started

I had my tubes tied 3 years ago I started my period a few days ago but today I had a sharp pain in my stomach and then when I went to the bathroom I passed blood clot bigger than a quarter I have been nauseous for about 2 weeks and my boobs have been sensitive and i have been very tired lately and very irritable lately could I possibly have had a miscarriage