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Gynaecological biopsy

Endometrial Biopsy: — What to Expect and Will It Hurt

An endometrial biopsy investigates abnormal uterine bleeding and is genuinely uncomfortable. This page tells you what happens and how to ask for more pain relief.

Medically reviewed by Dr. C. Raghavendra Reddy, Medical Oncologist, MBBS (Gold Medal) · DNB · DM (Medical Oncology, Gold Medal) · Last reviewed September 2026

  • Done in the clinic — No hospital admission is needed for the standard procedure.
  • It is usually painful — Cramping during the sampling is common. Knowing this beforehand is not a reason to avoid it.
  • Pain relief options exist — A painkiller beforehand and a local anaesthetic in the cervix can both help. Sedation is available if needed.
  • Tell your team if you might be pregnant — The biopsy is not performed during an active pregnancy. Your team needs to know before they book you in.
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An endometrial biopsy takes a small sample of tissue from the lining of your uterus. Most people find it painful — cramping during the sampling is common and real. It is done in a clinic room without general anaesthesia in most cases, and the sampling itself is brief, though options exist if you need more pain relief.

How is an endometrial biopsy done?

You lie on an examination table as you would for a smear test. A speculum is placed in the vagina to hold the walls apart so your doctor can see the cervix.

A thin, flexible tube called a pipelle is then passed through the cervix into the uterus. Gentle suction draws a small sample of tissue from the uterine lining into the tube.

The sampling itself is over in a moment. The full appointment, including positioning, preparation and resting briefly afterwards, is short.

What should I do before my biopsy?

  • Ask your doctor which painkiller to take, and when to take itTaking one beforehand can reduce — but not eliminate — the cramping.
  • Tell your team if you are pregnant or think you may beThe biopsy is not done during an active pregnancy.
  • Mention blood thinners or regular medicationSome medicines affect bleeding and your team needs to know.
  • Plan to rest afterwardsMost people prefer not to drive themselves home or go straight back to demanding work.
  • Tell your team if previous pelvic examinations have been very difficultThey can plan ahead, including arranging sedation if needed.

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What do the medical words used during this procedure mean?

Endometrium
The lining of the uterus — the tissue being sampled.
Pipelle
The thin, flexible tube passed into the uterus to collect the tissue sample.
Speculum
An instrument placed in the vagina to hold the walls apart so the cervix can be seen.
Cervix
The narrow lower opening of the uterus that the pipelle must pass through. This is where most of the discomfort occurs.
Histopathology
The laboratory examination of the removed tissue to look for abnormal or cancerous cells.

Is an endometrial biopsy painful, and what can be done about it?

Yes — most people experience significant cramping during the procedure. The pain comes from the instrument passing through the cervix and the suction used to collect tissue. Describing it as mild would not be accurate for most people.

A painkiller taken beforehand reduces the discomfort. Your doctor may also offer a local anaesthetic injection into the cervix, which helps further.

If you have a narrow cervix, find speculum examinations very difficult, or have significant anxiety, tell your team before the appointment. Sedation or a procedure under general anaesthesia can be arranged, though this requires planning in advance.

What else do people ask before having this biopsy?

Why is this biopsy being recommended?

The biopsy is most often requested to investigate abnormal uterine bleeding — bleeding that is heavier than usual, irregular, or happening after menopause. It can also examine an area that looked unusual on an ultrasound. The biopsy is not a diagnosis in itself; it is the test that provides the tissue your doctor needs to make one.

Can I have this done under general anaesthesia?

Yes. The standard procedure is done without sedation, but sedation or a short general anaesthetic can be arranged if your cervix is narrow, examinations are very difficult for you, or anxiety is significant. Raise this early — it needs a separate admission and cannot be arranged on the day of a standard appointment.

What happens to the tissue sample?

The sample is sent to a pathology laboratory where a specialist examines the cells under a microscope. Results usually take one to two weeks, though timing depends on the laboratory. Your doctor will contact you when they are ready. If you have not heard within the timeframe given, call the clinic to follow up.

What if the sample is not enough?

Sometimes the tissue collected is insufficient for a clear result. Your doctor may recommend repeating the biopsy, a hysteroscopy (a camera examination inside the uterus), or a dilatation and curettage procedure under anaesthesia. An insufficient sample is not a diagnosis — it means the test needs to be repeated in a different way.

What should I expect in the hours after the biopsy?

Cramping similar to a period and light spotting are common for a day or two. Most people return to their usual activities the following day. Tell your team if you have heavy bleeding, a fever, or pain that is not settling — these need to be assessed promptly rather than waited out at home.

Can I have this biopsy if I am pregnant?

No. The endometrial biopsy is not performed during an active pregnancy. Tell your doctor before the appointment is confirmed if you are pregnant or think you may be. If you are unsure and the reason for the biopsy is irregular bleeding, a pregnancy test should be done first.

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Common questions

Frequently asked questions

Will I be awake during the procedure?

Yes, for the standard office procedure you are awake. The biopsy takes only a moment. If being awake is not manageable, tell your doctor before the appointment — sedation or a general anaesthetic can be arranged, but needs to be planned in advance rather than on the day.

Does it matter which day of my cycle I have the biopsy?

For some investigations, the uterine lining gives more informative results at a particular point in the cycle. Your doctor will usually tell you when to book. If you are not given a specific instruction, ask whether timing matters for your situation. Do not reschedule without checking with your team first, as it may affect the result.

How long will I be at the clinic?

The sampling itself is over in a moment, but the full appointment — including preparation, positioning, and resting briefly afterwards — is short. Plan for the rest of the morning or afternoon regardless. Most people prefer not to drive themselves home, and returning to demanding work the same day is not advisable.

When will I receive my results?

Results from the pathology laboratory usually take one to two weeks, though timing varies by laboratory. Your doctor will contact you when they are ready. Do not assume that no news means a normal result — if you have not heard within the timeframe your doctor gave you, call the clinic to follow up.

Is there anything I should avoid after the biopsy?

Avoid putting anything into the vagina — including tampons and sexual intercourse — for the period your team recommends after the procedure, to reduce the small risk of infection. Your doctor will give you a specific instruction before you leave. Ask before you go rather than guessing from general advice.

What does it mean if my cervix is narrow?

A narrow cervical opening can make it harder to pass the biopsy instrument through. This is more common after menopause. If previous pelvic examinations have been very difficult or painful, tell your team before the procedure so they can plan accordingly — sedation or a short general anaesthetic may be a better option for you.

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