How far does a transvaginal ultrasound go up into the vagina?

Several inches. This can be a useful medical technique for diagnosis. The probe can penetrate for 3-5 inches but will never be inserted to the point of discomfort. It has become a political issue and may be used as a means to support and anti-abortion agenda - which sensible people consider an invasion of privacy bordering upon rape.

Related Questions

I have a sore in vagina from transvaginal ultrasound since dec. It won't heal?

See your doctor. Sores that don't heal are very worrisome and can even be a sign of cancer. You need to be seen and examined by a GYN as soon as possible. Good luck. Hope this is something simple and you feel better fast. Read more...

How long can a transvaginal ultrasound wand be in a vagina before it causes cavitation or heating?

Does not happen. Transvaginal ultrasound will not cause cavitation or heating. It utilize the sound wave not the radiation. Read more...
See answer. As a diagnostic procedure, ultrasound is a safe and painless procedure that uses sound waves to "see" inside your body and create detailed images. The wand, aka "transducer", used for diagnostic purposes does not emit heat or cause cavitation. When used as a therapeutic or treatment procedure, such as with liposuction, more powerful transducers are used which do emit heat and can cause cavitation. Read more...