A transvaginal sonography (also known as TVS or transvaginal sonography) is a specialized type of pelvic ultrasound that provides detailed images of the female reproductive organs. Unlike abdominal ultrasounds, this procedure involves inserting a thin ultrasound probe into the vagina to obtain clearer and more accurate images of the uterus, ovaries, fallopian tubes, and other pelvic structures.
Transvaginal sonography is a widely used diagnostic tool in gynecology and fertility care. It may be recommended for:
During a transvaginal sonography, the patient lies on an exam table with knees bent and feet supported. A specially designed, thin ultrasound probe (called a transducer), covered with a protective sheath and lubricated with gel, is gently inserted into the vagina. The probe emits sound waves that bounce off internal organs, producing real-time images on a monitor.
This procedure usually takes 15–30 minutes and is performed by a radiologist, OB-GYN, or trained technician.
For most women, transvaginal sonography is not painful, though it may cause slight pressure or discomfort. If you have a sensitive vaginal area, history of trauma, or have never had vaginal intercourse, you should inform your doctor beforehand so they can proceed with extra care or suggest alternative methods.
In general, there’s minimal preparation needed. Here are a few recommendations:
Transvaginal ultrasound is a safe, accurate, and non-invasive diagnostic procedure used to assess various conditions related to the female reproductive system. Whether it’s for evaluating pelvic pain, monitoring fertility treatment, or confirming early pregnancy, this method offers invaluable insights. If your doctor recommends a transvaginal ultrasound, rest assured — it’s a routine procedure that plays a key role in women’s health care.
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