NSFW- Miscarriage or uterine lining bc of change in birth control

NSFW- Miscarriage or uterine lining bc of change in birth control? Definitely feels harder than any normal clots or blood I pass. Normal cramping even though I had my period while on

NSFW- Miscarriage or uterine lining bc of change in birth control? Definitely feels harder than any normal clots or blood I pass. Normal cramping even though I had my period while on