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The Combined Pill

Find out all you need to know about the combined pill

The Combined Pill

There are two types of contraceptive pill: the combined pill, and the progestogen-only pill, also known as the 'mini pill'. The combined pill is a daily tablet that contains two hormones: progestogen and oestrogen.

The hormones prevent an egg from being released by the ovaries each month and make it harder for sperm to get into the uterus (womb). The pill needs to be taken once a day for three weeks and then you can have a week’s break to have a monthly bleed, or you can continue to take the pill every day to avoid having a monthly bleed.

Video - The Combined Pill

Would you like to find out everything you need to know about the combined pill? We've created this short explainer video, filled with information about the combined pill:

  • What it is
  • How effective it is in protecting against pregnancy
  • Advantages
  • Disadvantages
  • Risks
If you do not have a routine and think you will not be able to take a pill at the same time each day, the combined pill may not be the right method for you, and you may wish to consider a LARC (Long-Acting Reversible Contraception) method.

How to take the combined pill

In your first appointment with a doctor or clinician, you will discuss a range of contraceptive methods to find the one that suits you. Often, you will talk about your lifestyle, preferences, needs and medical history, and the clinician will assess the risks and benefits of contraceptive methods for the individual, considering all alternatives.

When taking your first pill, choose a convenient time to take it. This can be any time of the day. Once you've chosen a time you must then take one pill at this same time every day.

Users of the combined pill have the option to have a period, or to skip or shorten their period. To skip your period, continue to take the next pack of pills when you finish your current pack.

Do you know about LARC contraceptive methods?

If you really don’t want to get pregnant, say for the next year at least, it’s worth thinking about a LARC method: LARC stands for long acting reversible contraception, such as the implant, coil and injection. Once these methods are fitted you can forget about them!

Effectiveness of the combined pill

The pill works well at preventing pregnancy. However, its ability to stop a pregnancy largely depends on a person using it properly.

With typical use, up to 7 out of 100 users will become pregnant.

How long does the combined pill take to work?

If you start to take the combined pill during the first five days of your period, you will be protected against pregnancy immediately

If you start to take the combined pill on any other day, you will not be protected against pregnancy until you've taken the pill for seven days.

The combined pill and your period

One advantage of using the combined pill is that it can make your periods regular, lighter and less painful.

The combined pill also gives you more control over your periods: you can choose not to have a period (by continuing to take the pill without a week’s break), or to delay your period.

Advantages, Disadvantages and Risks Associated With the Combined Pill

As with all contraceptive methods, there are a range of advantages, disadvantages and potential risks when taking the combined pill.

Advantages of the combined pill

  • It can make your periods regular, lighter, and less painful.
  • It gives you the choice not to have a monthly bleed or control when you have a bleed.
  • Your fertility will return to normal immediately after the you stop using the pill.
  • It is not used during sex so will not affect spontaneity.
  • It helps protect against some forms of cancer (uterus (womb), colorectal, and ovarian).
  • It reduces the risk of getting fibroids, ovarian cysts and non-cancerous breast disease.
  • It may reduce acne and improve your skin.

Disadvantages of the combined pill

  • The pill has to be taken once per day. Forgetting to take the pill on a daily basis could make it fail. If you do not have a routine and think you will not be able to take a pill at the same time each day, it may not be the right method for you.
  • Some people may not be suitable to have methods containing oestrogen. Please talk to your provider about whether it is safe for you to take.
  • You may get temporary side effects at first including headaches, nausea, breast tenderness and mood changes
  • Irregular bleeding and spotting may occur in the first few months of use.
  • The pill may not work if you experience vomiting or diarrhoea.
  • Use of some medications, such as those for seizures or fits, HIV or for tuberculosis, can make the pill less effective. Check with your medical provider if your medications are compatible with use of the pill.
  • Condoms are the only contraceptive method which protect against sexually transmitted infections. To ensure protection from both pregnancy and infection, we recommend "dual protection". This means using a male or female condom in addition to the contraceptive method of your choice to prevent pregnancy.

Risks associated with the combined pill

The combined pill is associated with some rare risks. For most people, the benefits of taking the combined pill outweigh the possible risks, but it is essential that our clients have access to quality advice and information when it comes to contraception.

Some of the rare risks associated with combined contraceptive methods include the development of a blood clot in your leg or lungs, a heart attack, or a stroke.

Your clinician or contraception provider will ask you questions to check whether you could be at a higher risk, for example, if you smoke, have high blood pressure, are overweight, take certain medicines or have a certain family medical history.

To read more about the contraceptive pill and blood clots risks read our latest interview with Julia Hogan, MSI UK Lead Contraceptive Nurse at this link: 

"The contraceptive pill and blood clots: everything you need to know".

Where can I get the combined pill?

In the UK, you can get the combined pill for free from sexual health clinics, some GP surgeries and some young people's services.

At MSI UK, we primarily offer contraception services as part of your abortion care. We also recently launched new contraception-only clinics in a number of areas, meaning you can access LARC (Long-Acting Reversible Contraception, such as the IUD, the IUS, the implant and the injection) with us without having had a termination of pregnancy. Follow the link to find out more: MSI UK Contraception Clinics


What to do if you miss a combined pill

What to do if you miss a pill depends largely on how many pills you have missed, when you missed your pill, and the type of combined pill you’re taking.

If you have missed one pill or started a new pack one day late, you are still protected against pregnancy. You should take the last pill you missed now (even if this means taking two pills in one day), and carry on taking the rest of the pack as normal.

If you have missed two or more pills, you may not be protected against pregnancy. You should take the last pill you missed now, leave any earlier missed pills, and carry on taking the rest of the pack as normal. However, it is essential that you use extra contraception, such as a condom, for the next seven days.

For more information on what to do if you miss a combined pill, read the NHS website: What should I do if I miss a pill (combined pill)? 

Try our Digital Contraception Counsellor "Choice"

It’s important to know more about different contraceptive options so that we can support you as best we can. Our digital counsellor "Choice" helps you find the best contraceptive options for you. Fill out a questionnaire about your lifestyle, preferences, needs and medical history, and you'll see a list of the most appropriate contraception options for you.