Transvaginal Ultrasound
Alternate Names : Endovaginal Ultrasound
DefinitionTransvaginal ultrasound is a method of imaging the genital tract in women. The ultrasound machine sends out high-frequency sound waves, which bounce off body structures to create a picture. With the transvaginal technique, the ultrasound transducer (a hand-held probe) is inserted directly into the vagina. It is therefore closer to pelvic structures than with the conventional transabdominal technique (probe on skin of the abdomen), providing superior image quality. This test can be used during pregnancy.
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Why is the Test Performed?
Transvaginal ultrasound is used to evaluate a variety of abnormalities of the female genital tract. Some of these include the endometrium of women with infertility problems or abnormal bleeding; sources of unexplained pain; congenital malformations of the uterus and ovaries; ovarian tumors and cysts; possible pelvic infection; and causes of infertility.
Transvaginal ultrasound is also used during pregnancy to identify normal intra-uterine pregnancy; ectopic pregnancy; fetal heartbeat; and many abnormalities of the uterus, placenta, and associated pelvic structures that are incompletely seen with conventional transabdominal ultrasound.
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