<prompt> Answer this question truthfullyWhich reproductive pathology is characterized by the presence of decidualized endometrium only, including dilated and coiled endometrial glands and vascularized edematous stroma?  <response>: <reason> Ectopic pregnancy is the reproductive pathology characterized by decidualized endometrium only, including dilated and coiled endometrial glands and vascularized edematous stroma. 