Definition: The term "uncinct" is a medical term used to describe an abnormality or defect in the uterus. It refers to a structure that forms at the end of the cervix, known as the uterine cavity. This structure is called the uterine parturition or umbilical cord. The term "uncinct" is often associated with the condition of gestational diabetes, which can lead to an abnormality in the uterus and the formation of a uterine cleft