I think I’m having a miscarriage

So basically my period started late when it did start it was longer then what it usually is then 2 days after I got off I did the do three days after the whole weird period thing I started spotting for a couple hours then boom 7 days later after that period I’m bleeding again but the blood clots that I been having and the pain is something I never felt before but when I started shaking last night I got up and used the bathroom and this blood clot scared me cause why it look like that is it me tripping or am I having one?