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Transvaginal ultrasound is a test used to look at a woman's reproductive organs, including the uterus, ovaries, and cervix.
Transvaginal means across or through the vagina.
Endovaginal ultrasound; Ultrasound - transvaginal
You will lie down on a table with your knees bent. Your feet may be held in stirrups.
You will be given a probe, called a transducer, to place into the vagina. The probe is covered with a condom and a gel.
In some cases, a special transvaginal ultrasound method called saline infusion sonography (SIS) may be needed to more clearly view the uterus.
You will be asked to undress, usually from the waist down. A transvaginal ultrasound is done with your bladder empty or partly filled.
The test is usually painless, although some women may have mild discomfort from the pressure of the probe. Only a small part of the probe is placed into the vagina.
Transvaginal ultrasound may be done for the following problems:
The pelvic structures or fetus is normal.
An abnormal result may be due to many conditions. Some problems that may be seen include:
There are no known harmful effects of transvaginal ultrasound on humans.
Unlike traditional x-rays, there is no radiation exposure with this test.
Katz VL. Benign gynecologic lesions: vulva, vagina, cervix, uterus, oviduct, ovary, ultrasound imaging of pelvic structures. In: Lentz GM, Lobo RA, Gershenson DM, Katz VL, eds. Comprehensive Gynecology. 6th ed. Philadelphia, Pa : Mosby Elsevier; 2012: chap 18.
Coleman RL, Ramirez PT, Gershenson DM. Neoplastic diseases of the ovary: Screening, benign and malignant epithelial and germ cell neoplasms, sex-cord stromal tumors. In: Lentz GM, Lobo RA, Gershenson DM, Katz VL, eds. Comprehensive Gynecology. 6th ed. Philadelphia, Pa : Mosby Elsevier; 2012: chap 33.