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Cancer surgery on the tummy when you are pregnant | CION Cancer Clinics
Cancer surgery on the tummy or pelvis can be done during pregnancy, but it needs more planning than surgery elsewhere. The operation is close to the womb, so early labour is more likely and the surgeon must work around a growing womb. Most growths found on pregnancy scans are not cancer. This page explains when surgery comes up, how it is adapted and what to ask. CION Cancer Clinics’ surgical oncologists in Hyderabad can talk this through with you.
MI
Medically reviewed by Dr. Mohammed ImaduddinConsultant Surgical Oncologist · MBBS, MS (General Surgery), MCh (Surgical Oncology) · last reviewed September 2026, next review due September 2027
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On this page
- Can cancer surgery on the tummy be done during pregnancy?
- Which cancers or growths lead to tummy surgery in pregnancy?
- How is the operation changed to protect the pregnancy?
- What do families believe about tummy surgery in pregnancy?
- Who might need a different plan, and what can this page not tell you?
- Common questions about tummy surgery for cancer in pregnancy
The short answer
Can cancer surgery on the tummy be done during pregnancy?
Yes, it can, but it needs more planning than surgery elsewhere on the body. Because the operation is close to the womb, the risk of early labour is higher, and the surgeon has to work around a womb that grows larger every week.
Why the tummy is different
In breast or neck surgery the womb is far away. In the tummy and pelvis it is right beside the operation. The surgeon may need to move it gently aside, avoid handling it where possible, and choose where to make the cuts according to how big it has become.
When these operations come up
The most common reason is a growth on the ovary seen on a pregnancy scan. Most of these are not cancer, but some need removing to find out, or because they may twist or burst. Less often, cancers of the bowel, stomach, cervix or other organs are found during pregnancy.
This page explains how surgery in the tummy is planned in pregnancy. It cannot tell you whether you need an operation or when. That is decided by your treating team, with you.Common situations
Which cancers or growths lead to tummy surgery in pregnancy?
Each brings different questions about timing and the kind of operation.
Growths on the ovary
Often found on a routine scan. Many are harmless cysts that settle. Those that stay, grow, or look unusual on scans may be removed, often in the middle months of pregnancy.
Surgery may be sooner if
- The ovary twists
- A cyst bursts or bleeds
- Scans strongly suggest cancer
Bowel cancer
Bleeding and changes in bowel habit are often blamed on pregnancy, so diagnosis can come late. Surgery may be needed urgently if the bowel is blocked.
Cervical cancer
The cervix is part of the womb, so treatment is tightly bound up with the pregnancy. Plans vary widely with the stage and the weeks of pregnancy.
This is one of the most individual decisions in cancer care.Stomach and other cancers
Less common. Surgery depends on how advanced the cancer is and on whether another treatment should come first.
Not sure whether this applies to you?
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Signs that cannot wait
If you are pregnant and have a known growth in the tummy, or are recovering from surgery, go to the nearest emergency department the same day for sudden severe tummy pain, vomiting that will not stop, bleeding from the vagina, fluid leaking, regular tightening of the tummy, fever with chills, or a drop in the baby's movements. Say you are pregnant and what has been found. Do not wait for your next visit.
In the operating room
How is the operation changed to protect the pregnancy?
Positioning
From the middle of pregnancy you are tilted slightly to the left, so the womb does not press on the large vein that returns blood to your heart.
Where the cuts go
The surgeon places the cuts above or beside the womb, depending on its size, whether the operation is keyhole or open.
Gentle handling
The womb is touched as little as possible, because handling it can set off contractions. An obstetrician is often close at hand.
Watching afterwards
The baby's heartbeat is checked, and you are watched for tightening or bleeding. Medicine to calm the womb may be used if needed.
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Commonly believed
What do families believe about tummy surgery in pregnancy?
"Keyhole surgery is not allowed in pregnancy."
Keyhole surgery can be done in pregnancy for some operations. The surgeon adjusts the entry points and uses less gas to lift the tummy wall. It is not suitable for every operation, especially later on.
"Every ovarian cyst in pregnancy is cancer."
Most are not. Many settle on their own. Scans and sometimes blood tests help the team decide which need removing and which can be watched.
"Bleeding from the back passage is just piles from pregnancy."
Piles are common in pregnancy, and they are the usual cause. But bleeding that keeps happening, or comes with a change in bowel habit or weight loss, should be checked rather than assumed.
"After tummy surgery, the baby will have to be delivered by caesarean."
Not necessarily. Many women go on to a normal delivery. How you deliver depends on the operation, how you have healed and the obstetrician's advice nearer the time.
Being straight with you
Who might need a different plan, and what can this page not tell you?
An operation in the tummy is not always the right first step, even when a growth is found.
When surgery may wait or not be chosen
A growth that looks harmless on scans may simply be watched until after delivery. A cancer that has spread widely may be treated first with chemotherapy, where that is possible in pregnancy, rather than an operation. Late in pregnancy, some teams consider delivering the baby first and operating afterwards, sometimes at the same time as a caesarean.
Keyhole or open
Keyhole surgery may mean less pain and quicker movement afterwards, which helps in pregnancy. Open surgery may be needed for larger growths, for cancer that has spread, or later in pregnancy when space is limited. Ask your surgeon which they recommend and why. Do not assume every centre offers both.
What this page cannot tell you
It cannot tell you whether a growth is cancer, whether you need surgery, or what the outlook is. Those answers come from your scans, tests and, often, the tissue removed.
Did you know
An MRI scan without contrast dye uses no radiation. In pregnancy it is often used instead of a CT scan to look at a growth in the tummy or pelvis before deciding on surgery.
Questions we are asked
Common questions about tummy surgery for cancer in pregnancy
Is abdominal surgery in pregnancy riskier than other surgery?
Generally, yes. Because the operation is close to the womb, early labour is more likely than with surgery on the breast or neck. The risk depends on the operation and the stage of pregnancy. Ask your team to explain the risks for your own operation, not a general figure.
Will the surgeon need to touch the womb?
The surgeon avoids handling the womb as much as possible, because it can set off contractions. Sometimes it has to be moved gently aside to reach the growth, especially later in pregnancy. An obstetrician is usually involved in planning, and may be present during the operation.
Can an ovarian growth be removed without removing the ovary?
Sometimes. If a growth looks harmless, the surgeon may remove only the cyst and keep the ovary. If cancer is suspected, the whole ovary may be removed so it can be tested properly. Ask your surgeon what they plan, and what they would do if they find something unexpected.
How long will I stay in hospital?
It depends on the operation and whether it was keyhole or open. Stays are often a little longer in pregnancy, because the team wants to watch for early labour and make sure you are eating and moving well. Your surgeon can give you an idea for your own operation.
Will I need medicine to stop early labour?
Not always. It is not routinely given to every woman, but it may be used if you show signs of contractions after surgery. Your obstetrician decides. Tell the nurses straight away if you feel tightening, cramping or any fluid or bleeding.
Is it safe to have scans of the tummy while pregnant?
Ultrasound and MRI without contrast dye do not use radiation and are usually chosen first. A CT scan of the tummy gives the baby more radiation, so it is used only when it is truly needed. If one is suggested, ask what it will add to the plan.
What happens if cancer is found during a caesarean?
Sometimes a growth is noticed during delivery. The surgeon may take a sample or, if planned beforehand, remove it. Unplanned major surgery is usually avoided at that moment. Your team will explain the findings and the next steps once you and the baby are settled.
Can I eat normally after tummy surgery in pregnancy?
Most women start with sips and light food, then build up as the bowel wakes up. Eating well matters for you and the baby, so tell the team if you cannot keep food down. A dietitian can help if eating is difficult for longer.
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Dr. C. Raghavendra Reddy
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Dr. Bharati Devi Gorantla
MBBS, MD(General Medicine), DM(Medical Oncology)(Adyar,Chennai), ECMO, MRCP SCE(UK)
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Dr. Owais Mohammed
MBBS, MD (General Medicine), DrNB (Medical Oncology), ECMO, MRCP SCE (Medical Oncology) (UK)
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Dr. Muralidhar Muddusetty
MBBS (AIIMS), MS (Surgery) (AIIMS), DNB (Surgical Oncology), MRCS (Edinburgh)
Surgical Oncologist
Surgical Oncologist
Surgical Oncologist
Dr. Vinay Mamidala
MBBS, MS(General Surgery), M.Ch(Surgical Oncology), FMAS, FARIS(Ongoing)
Surgical Oncologist
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Radiation Oncologist
Radiation Oncologist
Hematologist
Surgical Oncologist
Dr. Vajja Sandeep Kumar
MBBS, MS (General Surgery), DrNB (Surgical Oncology), FALS Oncology
Surgical Oncologist
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Sources
- American Cancer Society — Managing cancer care
- NHS — Pregnancy
- Cancer Research UK — Surgery for cancer
- National Cancer Institute — Surgery to treat cancer
This page is general information, not a prescription. Do not change or stop any treatment based on what you read here. If anything is worrying you, contact your own treating team — or call our helpline and we will help you reach the right specialist.
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