Looking for advice, what is this I passed today? Uterine lining

So I'm due on my period but I'm a few days late. I'm on the pill (the one you take for 3 weeks then have a week break) been on this pill for 3 months

Dilation and Curettage (D&C) Specialist in Midtown, Manhattan, NYC

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

Nurse's TikTok Explains 'Decidual Casts' – When Your Uterus Lining Sheds Whole

Pelvic Inflammatory Disease (PID): Symptoms & Treatment

Decidual Cast: Shedding, Causes, Pain & Treatment

Endometrial Thickness - Importance, Changes and Treatments

Endometrial Thickness - Importance, Changes and Treatments

Passing Blood Clots When Not on Your Period

7 Symptoms of Uterine Cancer You Shouldn't Ignore