An imperforate hymen is a thin membrane that fully closes the vaginal opening from birth. This page explains how it is recognised, the short operation that relieves it, what recovery is like and what it may cost.
An imperforate hymen is a thin layer of tissue that blocks the vaginal opening. It is often found around puberty, when monthly cramping pain occurs but no bleeding appears. Treatment is a short operation that opens the membrane and lets trapped blood drain away. Most girls recover quickly, and future periods and fertility are usually unaffected.
The hymen is a thin fold of tissue at the entrance of the vagina. In most girls it has an opening from birth. When it does not, menstrual blood cannot escape once periods begin, so it collects behind the membrane and slowly stretches the vagina and sometimes the womb.
Because nothing is seen from outside, the problem is often missed for months. A girl may have cramping pain that returns every few weeks, a feeling of fullness low in the abdomen, difficulty passing urine, or a bluish bulge at the opening. Occasionally the condition is picked up in a baby, when a swelling is noticed at the vaginal entrance.
Diagnosis is usually made by examination, supported by an ultrasound scan that shows the trapped blood. Treatment is a short operation to open the membrane and allow drainage. It is normally done as a day procedure under general anaesthesia, and the edges are stitched so the opening stays open while it heals.
The operation is offered when examination and, where needed, a scan confirm that flow is being blocked at this level.
The history of pain and missed periods is taken, a gentle examination is offered and an ultrasound scan is arranged. That scan shows how much blood is trapped and whether the womb is involved.
Findings are explained to the girl and her parents in private. What the operation involves, how long it takes and what recovery looks like are discussed before a date is fixed.
Under general anaesthesia the surgeon makes a small opening in the membrane, usually in a cross shape, and allows the old blood to drain slowly. Nearby structures are protected throughout.
Excess tissue is trimmed and the cut edges are stitched with dissolving stitches. This keeps the opening from closing again as it heals and gives a natural looking result.
Most girls go home the same day, once they have passed urine and are comfortable. Simple pain relief, hygiene advice and a review date are given before discharge.
Dark old blood may keep draining for a few days, which is expected. Pain settles quickly with simple pain relief, and gentle washing keeps the area clean.
Most girls are back at school within a few days. Swimming, cycling and sport are held back a little longer while the edges heal.
A review checks that the opening has stayed open and that healing is complete. Periods usually settle into a regular pattern over the next few cycles.
Further visits are rarely needed. Cramping that returns, or bleeding that seems blocked, should be reported, since scarring narrows the opening in a small number of girls.
Symptoms usually settle within days once drainage is restored, and periods then follow their own pattern. Some girls have mild discomfort or light spotting for a couple of weeks while the tissues heal. Occasionally the opening narrows again and a small second procedure is needed. If pain was coming from a blockage higher up rather than at the entrance, further treatment is required. Follow up confirms healing and gives a chance to ask questions privately.
This is a short and commonly performed operation, and most girls recover without trouble. Knowing the possible problems helps you spot them early.
Recovery is usually straightforward, and simple hygiene advice matters more than anything else.
The procedure relieves a blockage. It does not affect fertility, health or the ability to lead a normal adult life.
Absent periods together with monthly pain suggests a blockage, and waiting allows pressure and pain to build.
The membrane does not open by itself, so a small planned procedure is what relieves it.
Families tell us they want the examination handled with privacy and dignity, and the diagnosis confirmed before anything is booked.
Cost depends on the scans needed first, the operating theatre and anaesthetic time, and whether the stay is a day case or an overnight one. Girls who present late with a large collection of trapped blood sometimes need longer observation, which changes the figure. A written estimate is given after assessment, and insurance cover is checked at the same visit.
These are the questions that come up most often in consultation. If yours is not here, send it on WhatsApp and the team will reply, usually the same day.
Ask your question →No fixed band is published for this procedure. The figure depends on scans, theatre and anaesthetic time, and whether an overnight stay is needed. A written estimate is given after assessment. Many health policies contribute, since the operation is done for a medical reason.
It is a short procedure done under general anaesthesia, and fitness is checked with an examination and simple tests beforehand. Bleeding and infection are possible but uncommon. Nearby structures are protected during the operation, and recovery is watched before discharge.
Most girls go home the same day and return to school within a few days. Old blood may drain for up to a week. Sport and swimming wait a little longer, and a review is arranged at about four to six weeks.
Once the blockage is relieved, periods usually settle into a regular pattern within a few cycles. Fertility is generally unaffected in girls whose womb and tubes are healthy. Scans done before surgery help show whether anything else needs attention.
No. Trapped blood needs a proper opening made in a sterile setting, with the edges shaped so they do not close again. Attempting anything at home risks bleeding and infection. Please have it assessed rather than waiting for it to clear.
It should be seen quickly rather than left. Trapped blood stretches the vagina and womb, and can press on the bladder so urine will not pass. That situation needs same day care. Otherwise the procedure is arranged on the next available list.
The pattern of pain and missed periods is discussed in private. A gentle examination is offered, and an ultrasound scan is arranged. You will hear what the operation involves, how quickly it can be done, and the estimated cost in writing before deciding.
Seeing patients from across the city and beyond: read about the practice on the plastic surgeon in Surat page, or check what a written estimate covers on the costs and insurance page.
