Pelvic X-ray with bilateral hip views (standard anteroposterior and frog-leg lateral projections)

Why This Test Is Done

Doctors order pelvic X-rays for many reasons, including suspected fractures (like from falls or trauma), hip or back pain that doesn’t improve with rest, arthritis or other joint diseases, or before certain surgeries (like hip replacements). It may also be used to evaluate symptoms like hip stiffness, groin pain, or unexplained weight loss linked to bone issues.

What to Expect During the Procedure

You’ll lie on your back on a padded table while an X-ray technician positions your hips and pelvis. A special plate or film holder may be used to keep your legs in the correct position. The technician will explain how to move your legs (like spreading them apart for the frog-leg view) to get the best images. You’ll wear a lead apron to protect your organs from radiation. The procedure takes about 10–15 minutes and feels like a standard X-ray.

Preparation and Safety

No special preparation is needed, but you may be asked to remove jewelry, clothing covering the pelvic area, or metal objects that could interfere with the images. If you’re pregnant, let your doctor know—X-rays use low radiation, but it’s safer to avoid unnecessary exposure during pregnancy. If you have a pacemaker or other implanted devices, inform your technician.

What the Results Mean

The X-ray shows bone density, joint spacing, and alignment. Abnormal findings might include broken bones, misaligned hips, narrowing of the joint space (common in arthritis), or signs of infections or tumors. Your doctor will compare these images to your medical history and symptoms to determine next steps, such as further tests or treatments.