TMI IS THIS A BLOOD CLOT OR MISCARRIAGE

I haven’t had a regular period in 3 months.

The closest I’ve had to a period was me

barely spotting near October 20th. And throughout those 3 months, I got pregnancy tested at a gynecologist and a blood test to make sure 100 percent and it came out negative. And they put me on birth control and My period ended up being later than the sugar pills and all of the sudden I started bleeding out it felt like I wet my pants. I don’t know what to do right now.