Not for emergencies. Severe pelvic pain, suspected ectopic pregnancy, or heavy bleeding requires emergency evaluation. Call 911 or go to the ER. DOD is not for obstetric or gynecologic emergencies.
Pelvic Ultrasound: What Patients Should Know
A pelvic ultrasound uses sound waves to image pelvic structures — including the uterus, ovaries, and bladder in women, or the bladder and prostate region in men. It does not use ionizing radiation. Preparation requirements vary by exam type.
Educational content only. DOD does not perform or interpret pelvic ultrasound. Obstetric and gynecologic emergencies require immediate evaluation by a qualified licensed provider.
Quick Answer
A pelvic ultrasound uses sound waves (no radiation) to image the uterus, ovaries, bladder, and surrounding pelvic structures in women. Transabdominal pelvic ultrasound requires a full bladder. Transvaginal ultrasound (TVU) uses a small intravaginal probe and provides improved resolution of the uterus and ovaries and requires an empty bladder. Provider orders are needed at most facilities. DOD can review pelvic ultrasound order requests for eligible patients in supported states.
Types of Pelvic Ultrasound
Transabdominal Pelvic Ultrasound
Preparation: Requires full bladder
Probe placed on abdomen over the lower pelvis. Full bladder serves as acoustic window. Good for overall pelvic survey, large uterus/masses.
Transvaginal Ultrasound (TVU)
Preparation: Requires empty bladder
Small probe inserted vaginally for closer proximity to uterus and ovaries. Higher resolution for small structures. Used for early pregnancy, follicle monitoring, small uterine/ovarian pathology.
What Pelvic Ultrasound May Evaluate (Women)
Educational only. Clinical appropriateness determined by a licensed provider.
Frequently Asked Questions — Pelvic Ultrasound
Sources
- Pelvic Ultrasound — Patient Information — RadiologyInfo.org (ACR / RSNA)
- Ultrasound — MedlinePlus (NIH)
- Ultrasound Safety — FDA — FDA
Related Education and Order Pages
Need a Provider Review for a Pelvic Ultrasound?
$40 virtual provider review. Orders issued only when medically appropriate.
Start Virtual Consult — $40Not for emergencies. Orders not guaranteed.
Educational content only. DOD does not perform or interpret pelvic ultrasound. Obstetric and gynecologic emergencies require immediate medical evaluation.