Uterine Polyps and Hysteroscopy in Korea: A Camera, Not an Incision

A polyp is one of the more common answers to “why am I bleeding between periods”, and one of the more reassuring ones. The part worth understanding in advance is how it gets confirmed, because an ultrasound on its own often cannot finish the job.

Polyps appear in almost every list of reasons for irregular bleeding, and then the list moves on. That is unhelpful, because a polyp is one of the few findings on that list with a short, definite path from question to answer — and knowing what the path looks like removes most of the worry attached to it.

What a polyp actually is

An overgrowth of the tissue lining the uterus, attached by a stalk or a broad base, ranging from a few millimetres to a few centimetres. Cervical polyps are the same idea lower down, at the opening of the cervix, and are sometimes visible during an ordinary examination.

They are common, they grow slowly, and the overwhelming majority are benign. A small proportion can contain abnormal cells, and that proportion rises after menopause. That single fact explains most of how they are managed: watching is reasonable in some situations and not in others.

How they announce themselves

Bleeding between periods is the classic one. Also: heavier periods than usual, bleeding after sex, and — the one that always gets investigated — any bleeding after menopause.

Plenty of polyps announce themselves not at all, and are found while scanning for something else entirely.

Why the ultrasound often cannot finish the job

This is the part that catches people, usually because they have already had a scan and expected it to settle things.

An ultrasound is good at showing that the endometrial lining looks thickened or uneven. It is less good at saying why. A polyp, a fibroid pressing inward from the wall, and a lining that is simply thick at that point in the cycle can look similar, and they are treated differently.

Two things resolve it:

Saline-infusion sonography. A small amount of sterile fluid is put into the uterine cavity during an ultrasound. The fluid separates the walls, and a polyp that was blending into the lining stands out clearly. It takes a few minutes and feels like period cramping.

Hysteroscopy. Direct vision — the definitive answer, and the same procedure that removes the polyp if one is there.

What a hysteroscopy actually involves

The word sounds like surgery. There is no incision.

A thin camera passes through the cervix into the uterine cavity, the same route used to place an IUD. The cavity is gently expanded with fluid so the walls separate and can be seen.

Diagnostic hysteroscopy — looking only — can often be done in the clinic without anaesthetic, in a few minutes, feeling like strong period cramping.

Operative hysteroscopy — removing the polyp — is usually done under anaesthetic because instruments pass alongside the camera and it takes longer. It is a day procedure: you arrive in the morning, you go home the same day. Our guide to preparing for gynecologic surgery covers the fasting and practical side.

Whatever is removed is sent for examination. That is routine, not a sign anyone is worried.

Removal, or watching?

Both are legitimate, and which one applies depends on specifics rather than preference.

Watching is reasonable when a small polyp is found incidentally, causes no symptoms, and you are premenopausal.

Removal is usually recommended when it is causing bleeding, when it is large, when you are trying to conceive — a polyp sitting in the cavity can interfere with implantation — or when you are past menopause, where the threshold for leaving anything unexamined is deliberately low.

If a doctor recommends watching, it is fair to ask what would change the plan and when you should be rescanned. A plan with no review date is not really a plan.

Afterwards

Cramping like a period and light spotting for a few days. Most people are back to ordinary activity the next day, with advice to avoid tampons, swimming and sex for a short period while the cervix settles.

What is not expected: bleeding heavier than a period, a fever, or pain that increases rather than fades. Any of those is a reason to call the clinic rather than wait and see.

Polyps can recur. That is not a sign the removal failed — it means the tissue that formed one is inclined to form another, and it is a reason to mention returning symptoms rather than assume the question was settled permanently.

Cost, and what to ask

Coverage depends on whether the procedure is investigating a symptom or a finding, and an operative hysteroscopy is a different item from a diagnostic look. Because the two often happen at separate visits, ask about both at once rather than pricing only the first.

Useful questions at reception: “이거 급여 되나요?” (is this covered?) and “수면마취 하나요?” (is it done under sedation?). Our guide to gynecology costs and health insurance covers how coverage works for residents.

Saying it in Korean

More in our medical Korean guide.

Being seen in English

A polyp is a small thing that generates a disproportionate number of decisions: scan or saline scan, watch or remove, sedation or not, and what the pathology means afterwards. None of those is difficult to understand — they are difficult to understand through translation, at speed, in a consulting room.

At Yoonho the consultation and the procedure are handled in English by the surgical gynecology team. See our clinics, read our guide to seeing a gynecologist in Korea, or message us on WhatsApp or KakaoTalk.

Related guides

• Abnormal uterine bleeding in Korea
• Heavy and painful periods
• Preparing for gynecologic surgery
• The gynecology ultrasound in Korea

This guide is general information for foreign residents in Korea, not medical advice. Coverage, costs, and treatment depend on your individual case — please confirm details with the clinic and your insurer.