A gynecological ultrasound with TVS (transvaginal ultrasound) is a diagnostic test used to examine the female reproductive system. It can help diagnose various conditions and abnormalities, including: Abnormal uterine bleeding, Pelvic pain, Infertility, Ovarian cysts or tumors, Endometrial polyps or thickening, Fibroids, Ectopic pregnancy, Intrauterine pregnancy