This is called a decidual cast. It occurs when the lining of a woman's uterus sheds as one massive solid piece of tissue during her period. : r/MakeMeSuffer

What is a decidual cast? See photos and learn the cause behind it

Decidual Cast: What It Looks Like, Causes, Risks

Everything You Need to Know About a Decidual Cast

Decidual Cast: What Is It, Symptoms, and When to Seek Help

decidual cast??? sorry for gross image : r/Periods

Decidual Cast: What Is It, Symptoms, and When to Seek Help

Hi y'all. Anyone have any tips on preserving my decidual cast

Decidual Cast: Shedding, Causes, Pain & Treatment

Uterine (decidual) Casts - Don't Forget the Bubbles

Decidual Cast: What Is It, Symptoms, and When to Seek Help

PDF) Decidual cast

🔞WARNING TMI PICTURE🔞 HUGE uterine lining clot??? Worrisome