Female Sterilisation
Female sterilisation is usually carried out under general anaesthetic, but can be carried out under local anaesthetic, depending on the method used. The surgery involves blocking or sealing the fallopian tubes, which link the ovaries to the womb (uterus).
This prevents the woman’s eggs from reaching sperm and becoming fertilised. Eggs will still be released from the ovaries as normal, but they will be absorbed naturally into the woman’s body.
At a glance: facts about female sterilisation
- In most cases, female sterilisation is more than 99% effective, and only one woman in 200 will become pregnant in her lifetime after having it done.
- You don’t have to think about it every day, or every time you have sex, so it doesn’t interrupt or affect your sex life.
- Sterilisation can be carried out at any stage of the menstrual cycle. It won’t affect hormone levels.
- You’ll still have periods after being sterilised.
- You will need to use contraception until the operation is done and until your next period or for three months afterwards (depending on the type of sterilisation).
- As with any surgery, there’s a small risk of complications. These include internal bleeding, infection or damage to other organs.
- There’s a small risk that the operation won’t work. Blocked tubes can rejoin immediately or years later.
- If the operation fails, this may increase the risk of ectopic pregnancy (when a fertilised egg implants outside the womb, usually in a fallopian tube).
- The sterilisation operation is difficult to reverse.
- Female sterilisation doesn’t protect against sexually transmitted infections (STIs), so always use a condom to protect yourself and your partner against them.
How female sterilisation works
How female sterilisation is carried out
- when your fallopian tubes are blocked – for example, with clips or rings (tubal occlusion)
- when implants are used to block your fallopian tubes (hysteroscopic sterilisation, or HS)
It can be a fairly minor operation, with many women returning home the same day. Sterilisation is usually carried out using tubal occlusion.
Tubal occlusion
A laparoscopy is the most common method of accessing the fallopian tubes. The surgeon makes a small cut in your abdominal wall near your belly button and inserts a laparoscope. A laparoscope is a small flexible tube that contains a tiny light and camera. The camera relays images of the inside of your body to a television monitor. This allows the surgeon to see your fallopian tubes clearly.
A mini-laparotomy involves a small incision, usually less than 5cm (2 inches), just above the pubic hairline. Your surgeon can then access your fallopian tubes through this incision.
A laparoscopy is usually the preferred option because it is faster. However, a mini-laparotomy may be recommended for women who:
- have had recent abdominal or pelvic surgery
- are obese (have a body mass index of 30 or over)
- have a history of pelvic inflammatory disease (a bacterial infection that can affect the womb and fallopian tubes)
Blocking the tubes
- applying clips – plastic or titanium clamps are closed over the fallopian tubes
- applying rings – a small loop of the fallopian tube is pulled through a silicone ring, then clamped shut
- tying and cutting the tube – this destroys 3-4cm (1-1.5 inches) of the tube
Hysteroscopic sterilisation (fallopian implants)
The procedure doesn’t require cuts to be made in your abdomen so general anaesthetic is not required. Though you may be given a painkiller and /or a local anaesthetic.
A narrow tube with a telescope at the end, called a hysteroscope, is passed through your vagina and cervix. A guidewire is used to insert a tiny piece of titanium metal (called a microinsert) into the hysteroscope, then into each of your fallopian tubes. This means that the surgeon does not need to cut into your body.
The implant causes the fallopian tube to form scar tissue around it, which eventually blocks the tube.
You should carry on using contraception until an imaging test has confirmed that your fallopian tubes are blocked. This can be done with one or more of the following:
- a hysterosalpingogram (HSG) – a type of X-ray that is taken after a special dye has been injected to show up any blockages in your fallopian tubes
- a hysterosalpingo-contrast-sonography (HyCoSy) – a type of ultrasound scan involving injecting dye into your fallopian tubes
The manufacturer of Essure now advises that ultrasound scan is an additional option for checking placement of the implants 3 months after the sterilisation procedure. If the coils of the implant are seen to be in the correct position tubal occlusion can be assumed
Removing the tubes (salpingectomy)
Before the operation
Counselling will give you a chance to talk about the operation in detail, and talk about any doubts, worries or questions that you might have.
Your GP does have the right to refuse to carry out the procedure or refuse to refer you for the procedure if they do not believe that it is in your best interests. If this is the case, you may have to pay to have a sterilisation privately.
If you decide to be sterilised, your GP will usually refer you to a specialist for treatment. This will usually be a gynaecologist at your nearest NHS hospital. A gynaecologist is a specialist in the female reproductive system.
If you choose to have a sterilisation, you will be asked to use contraception until the day of the operation, and to continue using it:
- until your next period if you are having your fallopian tubes blocked (tubal occlusion)
- for around three months if you are having fallopian implants (hysteroscopic sterilisation)
Sterilisation can be performed at any stage in your menstrual cycle.
Before you have the operation, you will be given a pregnancy test to make sure that you are not pregnant. It is vital to know this because once the surgeon blocks your fallopian tubes, there is a high risk that any pregnancy will become ectopic (when the fertilised egg grows outside the womb, usually in the fallopian tubes). An ectopic pregnancy can be life-threatening because it can cause severe internal bleeding.
Recovering after the operation
The healthcare professionals treating you in hospital will tell you what to expect and how to care for yourself after surgery. They may give you a contact number to call if you have any problems or any questions.
If you have had a general anaesthetic, do not drive a car for 48 hours afterwards. This is because even if you feel fine, your reaction times and judgement may not be back to normal.
How you will feel
You may have some slight vaginal bleeding. Use a sanitary towel rather than a tampon until this has gone. You may also feel some pain, similar to period pain. You may be prescribed painkillers for this. If the pain or bleeding gets worse, seek medical attention.
Caring for your wound
If there is a dressing over your wound, you can normally remove this the day after your operation. After this, you will be able to have a bath or shower as normal.
Having sex
If you had tubal occlusion, you will need to use contraception until your first period to protect yourself from pregnancy.
If you had hysteroscopic sterilisation, you will need to use another form of contraception for around three months after surgery. After scans have confirmed that the implants are in the correct position, you will no longer need contraception.
Sterilisation will not protect you from STIs, so continue to use barrier contraception such as condoms if you are unsure of your partner’s sexual health.
Who can have it done?
Surgeons are more willing to perform sterilisation when women are over 30 years old and have had children, although some younger women who have never had a baby choose it.
Advantages and disadvantages of female sterilisation
- female sterilisation can be more than 99% effective at preventing pregnancy
- tubal occlusion (blocking the fallopian tubes) and removal of the tubes (salpingectomy) should be effective immediately – however, doctors strongly recommend that you continue to use contraception until your next period
- hysteroscopic sterilisation is usually effective after around three months – research collected by NICE found that the fallopian tubes were blocked after three months in 96% of sterilised women
Other advantages of female sterilisation are that:
- there are rarely any long-term effects on your sexual health
- it will not affect your sex drive
- it will not affect the spontaneity of sexual intercourse or interfere with sex (as other forms of contraception can)
- it will not affect your hormone levels
Disadvantages
- female sterilisation does not protect you against STIs, so you should still use a condom if you are unsure about your partner’s sexual health
- it is very difficult to reverse a tubal occlusion – this involves removing the blocked part of the fallopian tube and rejoining the ends, and reversal operations are rarely funded by the NHS
- a 2015 US study found that around 1 in 50 women who had a hysteroscopic sterilisation required further surgery due to complications such as persistent pain
Risks
- with tubal occlusion, there is a very small risk of complications, including internal bleeding and infection or damage to other organs
- it is possible for sterilisation to fail – the fallopian tubes can rejoin and make you fertile again, although this is rare (about one in 200 women become pregnant in their lifetime after being sterilised)
- if you do get pregnant after the operation, there is an increased risk that it will be an ectopic pregnancy (when the fertilised egg grows outside the womb, usually in the fallopian tubes)
If you miss a period, take a pregnancy test immediately. If the pregnancy test is positive, you must see your GP so that you can be referred for a scan to check if the pregnancy is inside or outside your womb.
With hysteroscopic sterilisation, there is a small risk of pregnancy even after your tubes have been blocked. Research collected by NICE has shown that possible complications after fallopian implants can include:
- pain after the operation – in one study, nearly eight out of 10 women reported pain afterwards
- the implants being inserted incorrectly – this affected two out of 100 women
- bleeding after the operation – many women had light bleeding after the operation, and nearly a third had bleeding for three days
Content sourced from NHS choices