Bibliography - Benaroya Research Institute

Pelvis Transvaginal or OB Ultrasound - An ultrasound probe will be placed directly in the vagina, the probe is smaller than the instruments used during a pap smear. Inserting the probe is like using a tampon, the sonograoher can insert the probe for you or you may insert the probe yourself. The use of a vaginal probe is not painful. ................
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