Endometrial biopsy is a commonly used outpatient procedure to evaluate abnormal uterine bleeding and postmenopausal bleeding. Different sampling methods are available, but their diagnostic adequacy and patient experience may vary. This prospective randomized study compares two commonly used endometrial biopsy methods, Pipelle and Karman cannula, under standardized paracervical block anesthesia. All participants receive the same local anesthetic technique to minimize pain-related differences between methods. The primary objective is to compare the rate of clinically adequate endometrial samples obtained with each method. Secondary outcomes include patient-reported pain, patient satisfaction, procedure duration, need for additional diagnostic procedures, and hospital-related costs. Study findings are expected to support clinical decision-making regarding the most effective and practical endometrial biopsy method when adequate pain control is provided.
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Clinically Adequate Endometrial Sample Rate
Timeframe: At the index procedure (same day)