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Family Planning

What are the different methods of contraception?

Choosing a method of contraception involves a balance between:

  • how effective it is

  • possible risks and side-effects

  • plans for future pregnancies

  • personal preference

  • if you have a medical condition that needs to be considered.

Combined pill

This is often just called the pill. It is more than 99% effective if used properly. Contains oestrogen and progestogen and works mainly by stopping ovulation. It is very popular. Different brands suit different people.

  • Some advantages - Very effective. Side-effects uncommon. Helps ease painful and heavy periods. Reduces the chance of some cancers.

  • Some disadvantages - Small risk of serious problems (eg thrombosis). Some women get side-effects. Have to remember to take it. Can't be used by women with certain medical conditions.

Progestogen only pill (POP)

Used to be called the mini-pill. Contains just a progestogen hormone. More than 99% effective if used properly. Is commonly taken if the combined pill is not suitable. For example: breastfeeding women, smokers over the age of 35 and some women with migraine. Works mainly by causing a plug of mucus in the cervix that blocks sperm and also by thinning the lining of the uterus. May also stop ovulation.

  • Some advantages - Less risk of serious problems than the combined pill.

  • Some disadvantages - Periods often become irregular. Some women have side-effects. Not quite as reliable as the combined pill.

Contraceptive patch

A combined hormone form of contraception, containing oestrogen and progestogen hormones. It is essentially the same type of contraception as the combined oral contraceptive pill but it is used in a patch form. The contraceptive patch is stuck onto the skin so that the two hormones are continuously delivered to the body. There is one combined contraceptive patch available in the UK called Evra®.

  • Some advantages - It is very effective and easy to use. You do not have to remember to take a pill every day. Your periods are often lighter, less painful and more regular. If you have vomiting or diarrhoea, the contraceptive patch is still effective.

  • Some disadvantages - Some women have skin irritation. Despite its discreet design, some women still feel that the contraceptive patch can be seen.

Barrier methods

These include male condoms, the female condom, diaphragms and caps. Prevents sperm entering the uterus. Male condoms are about 98% effective if used properly. Other barrier methods are slightly less effective than this.

  • Some advantages - No serious medical risks or side-effects. Condoms help protect from sexually transmitted infections. Condoms are widely available.

  • Some disadvantages - Not quite as reliable as other methods. Needs to be used properly every time you have sex. Male condoms occasionally split or come off.

Contraceptive injections (eg Depo-provera® and Noristerat®)

Contain a progestogen hormone which slowly releases into the body. More than 99% effective. Works by preventing ovulation and also has similar actions as the POP. An injection is needed every 8-12 weeks.

  • Some advantages - Very effective. Do not have to remember to take pills.

  • Some disadvantages - Periods may become irregular (but often lighter or stop all together). Some women have side-effects. Normal fertility after stopping may be delayed by several months. Cannot undo the injection, so if side-effects occur they may persist for longer than 8-12 weeks.

Contraceptive implants (eg Nexplanon®)

An implant is a small device placed under the skin. Contains a progestogen hormone which slowly releases into the body. Is more than 99% effective. Works in a similar way to the contraceptive injection. Involves a small minor operation using local anaesthetic. Each one lasts three years.

  • Some advantages - Very effective. Do not have to remember to take pills.

  • Some disadvantages - Periods may become irregular (but often lighter or stop all together). Some women develop side-effects but these tend to settle after the first few months.

Intrauterine device (IUD)

A plastic and copper device is put into the uterus. Lasts five or more years. It works mainly by stopping the egg and sperm from meeting. It may also prevent the fertilised egg from attaching to the lining of the uterus. The copper also has a spermicidal effect (kills sperm).

  • Some advantages - Very effective. Do not have to remember to take pills.

  • Some disadvantages - Periods may get heavier or more painful. Small risk of serious problems.

Hormone releasing intrauterine system (IUS)

A plastic device that contains a progestogen hormone is put into the uterus. The progestogen is released at a slow but constant rate. More than 99% effective. Works by making the lining of your uterus thinner so it is less likely to accept a fertilised egg. Also thickens the mucus from your cervix. Is also used to treat heavy periods (menorrhagia).

  • Some advantages - Very effective. Do not have to remember to take pills. Periods become light or stop altogether.

  • Some disadvantages - Side-effects may occur as with other progestogen methods such as the POP, implant and injection. However, they are much less likely as the hormone is mainly confined to the uterus (little gets into the bloodstream).

Natural methods

This involves fertility awareness. Effective if done correctly. Requires commitment and regular checking of fertility indicators such as body temperature and cervical secretions.

  • Some advantages - No side-effects or medical risks.

  • Some disadvantages - May not be as reliable as other methods. Fertility awareness needs proper instruction and takes 3-6 menstrual cycles to learn properly.


Involves an operation. Is more than 99% effective. Vasectomy (male sterilisation) stops sperm travelling from the testes. Female sterilisation prevents the egg from travelling along the fallopian tubes to meet a sperm. Vasectomy is easier and more effective than female sterilisation. Popular when family is complete.

  • Some advantages - Very effective. Do not have to think further about contraception.

  • Some disadvantages - Very difficult to reverse. Female sterilisation usually needs a general anaesthetic.

Emergency contraception

Can be used if you had sex without using contraception. Also, if you had sex but there was a mistake with contraception. For example, a split condom or if you missed taking your usual contraceptive pills.

  • Emergency contraception pills- are usually effective if started within 72 hours of unprotected sex. Can be bought at pharmacies or prescribed by a doctor. It works either by preventing or postponing ovulation or by preventing the fertilised egg from settling in the uterus (womb).

  • An IUD- inserted by a doctor or nurse can be used for emergency contraception up to five days after unprotected sex.

 ( * Published Information Provided by

We provide Comprehensive Family Planning Service.  For initial consultation,  call us on 0845 6019982

Our Clinics

  • Telephone for All Clinics:
    0845 6019982
  • Churchill Clinic
    94 Churchill Ave
    Chatham Kent
    ME5 0DL
  • Allington Clinic
    26 Tichborne Close
    Allington Maidstone
    ME16 0RY
  • Lockmeadow Clinic
    54-56 Tonbridge Road
    ME16 8SE

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