A decidual cast. This is a female health condition that happens when your body isn't quite ... Each month, the lining of your ...

A "decidual cast" occurs when a womb sheds its lining in one go, rather than across several days. Here, a doctor explains why ...

A decidual cast. This is a female health condition that ... Each month, the lining of your womb (or endometrium) thickens up. This thickened endometrial tissue is called a "decidual lining." ...

A decidual cast (membranous dysmenorrhea) is made up of the endometrium (the tissue lining the uterus), mucus, and blood. Its name is derived from the term for thickened endometrial tissue ...