Source:http://linkedlifedata.com/resource/umls/id/C0203418
NCI: A procedure used to examine the vagina, uterus, fallopian tubes, and bladder. An instrument is inserted into the vagina, and sound waves bounce off organs inside the pelvic area. These sound waves create echoes, which a computer uses to create a picture called a sonogram.,NCI: A technique in which sound waves are sent out by an ultrasound probe that has been inserted in the vagina and a computer uses the ultrasound echoes to create an image of the female genital tract. The test can be performed to evaluate women with infertility problems, abnormal bleeding, sources of unexplained pain, congenital malformations of the uterus and ovaries, and possible tumors and infection.