What Are the Causes of Yellowing and Odor in Underwear?

Hello, you may be suffering from a gynecological infection—such as vaginitis, cervicitis, or pelvic inflammatory disease. Therefore, we recommend that you visit a specialized gynecological hospital for relevant examinations—including routine vaginal discharge testing, colposcopy, and pelvic ultrasound—to determine the exact cause. Once diagnosed, treatment should be administered under the guidance of a physician according to your specific condition. We hope this information is helpful to you. Wishing you a happy and healthy life!