Big ole clumps of uterine lining that I passed during my period : r/MedicalGore

Fibroids / Heavy Bleeding

TMI*** Sorry this is super gross but what is it? 🙄 - Glow Community

What Causes Period Blood Clots and When to See a Doctor

passing tissue with first period *graphic pic* - Miscarriage

Heavy Menstrual Bleeding (Heavy Periods) - Philippe de Rosnay

miscarriage or uterine lining? - 1st Pregnancy, Forums

Miscarriage tissue or some other abnormal blood clot with period

Menstrual Clots: A Common Endometriosis Symptom

Endo clot? 🩸 : r/endometriosis

Was having horrible cramps when this thing came out of me