Introduction
A pelvic ultrasound and a transvaginal ultrasound are safe and painless imaging tests that help doctors see the organs inside a woman’s lower abdomen (pelvis). These tests are commonly used to check the uterus, ovaries, fallopian tubes, bladder, and other structures. Unlike X-rays, ultrasound uses sound waves; there’s no radiation involved, so it’s considered safe for most people.
Pelvic ultrasound can be done in two ways: abdominal pelvic ultrasound and transvaginal ultrasound. An abdominal ultrasound is done from outside the belly, while a transvaginal ultrasound is done with a small probe placed inside the vagina. Both give helpful information, and sometimes doctors do both together to get a complete view of the pelvic organs. These tests are often recommended when a woman has pelvic pain, irregular bleeding, infertility, or other symptoms related to reproductive health. They’re also used during pregnancy to check the health and development of the baby.
Who May Need a Pelvic or Transvaginal Ultrasound?
Doctors may recommend these tests if you have:
- Abdominal or pelvic pain
- Irregular menstrual bleeding
- Suspected ovarian cysts or uterine fibroids
- Infertility or difficulty conceiving
- Early pregnancy concerns
- Abnormal findings on a pelvic exam
- Unexplained pelvic swelling or masses
- Follow-up after treatment for reproductive issues
Pelvic ultrasounds help doctors identify problems, monitor conditions, and guide the next steps for treatment or further tests.
Types of Pelvic Ultrasound
1. Abdominal Pelvic Ultrasound
This test is done by placing a small device called a transducer on the lower belly. It sends sound waves into the pelvis and captures the returning echoes to create images on a screen. A gel is applied to the skin to help the sound waves travel smoothly.
2. Transvaginal Ultrasound
In this test, the transducer is covered with a protective cover and gently placed inside the vagina. It gives a closer and clearer view of the uterus and ovaries because the probe is near the organs. It can pick up details that an abdominal ultrasound might miss.
Sometimes both types are done during the same visit because they complement each other and show a full picture of the pelvic area.
Ultrasound Procedure
Before the scan, your doctor will give you instructions. For an abdominal ultrasound, you may be asked to drink water and have a full bladder; this helps push the pelvic organs up and makes imaging easier. For a transvaginal ultrasound, you may be asked to empty your bladder just before the test.
Here’s what to expect:
Abdominal Pelvic Ultrasound
1. You lie on a table and expose only your lower belly.
2. A cool gel is applied to your skin.
3. The transducer is moved gently over your lower abdomen.
4. Images appear on a screen so the doctor can look at your organs.
This part usually takes 15–30 minutes.
Transvaginal Ultrasound
1. You lie down on an exam table with knees bent.
2. A covered and lubricated transducer is gently placed inside the vagina.
3. The probe sends sound waves and captures detailed images.
4. You may feel slight pressure, but it should not be painful.
This step also typically takes 15–20 minutes.
Both tests are done by trained technicians or doctors who specialise in ultrasound. You stay awake the whole time and can ask questions if you need clarification.
Recovery & Aftercare
One of the biggest benefits of pelvic and transvaginal ultrasound is that there’s no recovery time needed; it’s a safe, non-invasive imaging test. After your ultrasound:
- You can return to normal activities immediately.
- You can eat and drink as usual.
- If you feel any mild pressure or discomfort, it usually goes away right after the procedure.
Doctors will review the images and discuss the findings with you either right after the exam or at a follow-up appointment. If any abnormalities are seen, your doctor will explain what they mean and what should be done next.
Risks & Possible Complications
Both abdominal and transvaginal ultrasounds are considered very safe and low-risk. Since ultrasound uses sound waves and not radiation, there’s no exposure like in X-rays or CT scans.
Some mild things you might feel:
- Slight pressure during a transvaginal ultrasound
- Mild cold sensation when gel is applied
- Anxiety if tests are done for pregnancy concerns
These are temporary and harmless. Real complications are extremely rare. If you have any pain, bleeding, or unusual symptoms during or after the test, tell your doctor right away.
Gynecology
Obstetricians and Gynecologists
Maternal-Fetal Medicine
Diagnostic Radiology
Radiology