Cohort Study of Intrauterine Diseases

This study is looking at diseases that affect the inside of the uterus, such as abnormal tissue growth, polyps, fibroids, adenomyosis, or uterine cancer. Researchers want to better understand these conditions in patients who are already having a procedure to look inside the uterus or scrape the uterine lining. **You may be eligible if:** - You are between 18 and 80 years old - Your doctor has recommended a uterine procedure (hysteroscopy or diagnostic curettage) for a condition such as thickened uterine lining, polyps, fibroids, adenomyosis, or possible uterine cancer - You are willing and able to attend follow-up visits - You are willing to sign a consent form **You may NOT be eligible if:** - You are currently enrolled in another drug clinical trial - You have a medical reason that makes the uterine procedure unsafe for you - You are unwilling or unable to give consent or follow study procedures Talk to your doctor to see if this trial is right for you.