Medically reviewed by Prof. Dr. Aamer Nadeem Chaudhary, M.B.B.S., D.M.R.D., F.C.P.S. (Diagnostic Radiology), Consultant, Al-Nasar Lab & Diagnostic Centre. Updated September 2026.
Quick answer: A pelvic MRI images the uterus, ovaries and surrounding tissue in detail, using no radiation. It is used when ultrasound has found something that needs mapping, most often fibroids before surgery, suspected adenomyosis, deep endometriosis, or an ovarian mass of uncertain nature. It takes 30 to 45 minutes.
Book a pelvic MRI: call 0300 0341944. MRI is performed at our main Johar Town campus.
If ultrasound already found it, why do you need an MRI?
This is the question most patients ask, and it is a fair one. Ultrasound is the correct first test for pelvic symptoms. It is quick, inexpensive, widely available and very good at detecting that something is there.
MRI answers a different question. It does not just detect, it maps. Where exactly is each fibroid sitting in the wall of the uterus? How many are there really? Is this mass arising from the ovary or from the bowel? Has endometriosis spread to the bladder or rectum?
Those answers change what the surgeon does. That is why gynaecologists usually order a pelvic MRI after ultrasound rather than instead of it. Our ultrasound service remains the starting point.
What does a female pelvic MRI show?
| Condition | What MRI adds |
|---|---|
| Fibroids | Exact number, size and position of each one, which decides whether removal, embolisation or hysterectomy is appropriate |
| Adenomyosis | MRI is the most reliable test for it. Ultrasound frequently misses it, and it is often mistaken for fibroids |
| Endometriosis | Deep deposits on the bowel, bladder and ligaments that ultrasound cannot see |
| Ovarian mass | Whether it looks benign or suspicious, which guides how urgently and by whom it is treated |
| Congenital uterine anomalies | Septate, bicornuate and other variants, important in recurrent miscarriage and infertility |
| Gynaecological cancer | How far a known cancer has spread, which determines the stage and the treatment plan |
| Pelvic floor problems | Prolapse and related findings, using a dedicated protocol |
Why does adenomyosis matter so much here?
This deserves its own section, because it is the most commonly missed diagnosis in this area.
Adenomyosis is endometrial tissue growing into the muscular wall of the uterus. It causes heavy periods, severe cramps and a bulky uterus, which is exactly what fibroids cause. On ultrasound the two can look similar, and many women are told they have fibroids for years.
The distinction matters because the treatments are different. Removing fibroids will not help adenomyosis. MRI separates them reliably, which is why it is worth doing before any surgical decision.
When is a pelvic MRI ordered?
- Before fibroid surgery or embolisation, to map exactly what is there
- Heavy or very painful periods where ultrasound has not explained the symptoms
- Suspected endometriosis, especially with pain on intercourse, bowel or bladder symptoms
- An ovarian mass that looks indeterminate on ultrasound
- Infertility or recurrent miscarriage, to check the shape of the uterine cavity
- Staging a known gynaecological cancer
- Chronic pelvic pain without a clear cause
- Follow up after gynaecological surgery
How should you prepare?
Preparation matters more for pelvic MRI than for most scans, because bowel movement blurs the images.
- Fast for about 4 to 6 hours before the scan. This quietens the bowel and sharpens the images
- You may be asked to arrive with a partly full bladder, or to empty it, depending on the protocol. Follow the instruction you are given rather than assuming
- Timing in your cycle can matter for some questions. Mention the first day of your last period when booking, since the team may prefer a particular window
- An injection to relax the bowel is sometimes given. It is routine and wears off quickly
- Wear clothing without metal. Leave jewellery at home or with an attendant
- Bring previous ultrasound reports, images and your referral letter
- Tell the team if you are or might be pregnant, and if you have an intrauterine device fitted
Does it need contrast?
Frequently yes for this region, because gadolinium helps characterise ovarian masses, shows the blood supply of fibroids before embolisation, and defines the extent of cancer. Simple protocols for uterine anomalies may not need it.
Kidney function is usually checked before contrast. See our guide to MRI contrast and gadolinium safety, and if kidney function is a question, a kidney function test can be done from the same visit.
What happens during the scan?
You lie on your back and a coil is placed over your lower abdomen and pelvis. You enter the scanner feet first, so your head usually stays outside or near the opening, which most people find easier than a head scan.
The scanner is loud and ear protection is provided. Some sequences require you to hold your breath for around 15 to 20 seconds, and the technologist will guide you through each one. Staying still between instructions is what keeps the images sharp.
Expect 30 to 45 minutes in total. There is no pain and no radiation.
Pelvic MRI at Al-Nasar Lab
Al-Nasar Lab & Diagnostic Centre has served Lahore since 1996 and holds ISO 15189:2022 accreditation from the Pakistan National Accreditation Council. Pelvic MRI is performed at our Johar Town campus and reported by consultant radiologists, with digital reports and images made available to your gynaecologist.
Female patients are attended by female staff for positioning and preparation. If you have a preference, mention it when booking and it will be arranged.
See our pelvis MRI service page, the full MRI in Lahore range, or contact us to book. Find your nearest location.
Frequently Asked Questions
How long does a pelvic MRI take?
Usually 30 to 45 minutes, longer if contrast is used or if a dedicated endometriosis protocol is needed.
Do I need to fast for a pelvic MRI?
Yes, usually 4 to 6 hours. Fasting reduces bowel movement, which would otherwise blur the images.
Can a pelvic MRI detect endometriosis?
Yes, particularly deep endometriosis involving the bowel, bladder and pelvic ligaments, which ultrasound often cannot see. Very superficial disease may still need laparoscopy to confirm.
Is pelvic MRI better than ultrasound?
They do different jobs. Ultrasound is the right first test and detects most problems. MRI maps them precisely, which is what surgical planning requires.
Can I have a pelvic MRI during my period?
Usually yes, though for some questions the team may prefer a particular point in your cycle. Mention the date of your last period when booking so it can be scheduled properly.
This article is for general information and is not a substitute for medical advice. Please discuss your results with a qualified doctor.
