Why have Ultrasound probe covers

Vaginal ultrasound is a common procedure in gynecology and obstetrics.  To perform vaginal ultrasound, an ultrasound probe is placed in the vagina in order to get a close-up view of a woman’s pelvic organs. In early pregnancy, vaginal ultrasound often yields better images of the developing embryo than abdominal ultrasound. In later pregnancy, vaginal ultrasound gives more accurate pictures of the cervix and placenta than abdominal ultrasound.

In order to prevent transmission of disease from patient to patient, it is mandatory to clean and disinfect the probe after each vaginal exam. also mandatory to cover the probe with a barrier during each exam. So ultrasound probe covers manufactured intended to be barriers against infection.