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Contraception Guides

Simply find your medical condition below to read helpful information written and reviewed by our healthcare professionals.

pharmacy and me plussign

Written by our Clinical Team

Reviewed 2 Sep 2024

FAQ’s

How does the combined pill work?

The combined pill contains two hormones, estrogen and progestogen. It works by stopping the ovaries from releasing an egg each month (ovulation). It also thickens cervical mucus to block sperm from reaching an egg and thins the uterine lining to reduce the likelihood of implantation.

How effective is the combined pill?

The combined pill is over 99% effective when taken correctly. However, if not taken as directed, its effectiveness drops to about 91%, meaning 9 out of 100 women could become pregnant in a year.

What should I do if I miss a combined pill?

If you miss a pill, take it as soon as you remember, even if that means taking two pills in one day. Continue taking the next pill at your usual time. You should still be protected, but if you miss multiple pills, you may need to use additional contraception, like condoms, for the next 7 days.

Can I take the combined pill if I’m breastfeeding?

The combined pill is usually not recommended for breastfeeding mothers until at least 6 weeks postpartum, as it contains estrogen, which can reduce milk supply.

What are the common side effects of the combined pill?

Common side effects include changes in menstrual cycle, nausea, headaches, and breast tenderness. Some women may experience mood swings, weight gain, or changes in sex drive, but these are less common.

What should I do if I’m sick or have diarrhoea while taking the combined pill?

If you vomit within 3 hours of taking the combined pill, take another pill as soon as possible. If you continue to be sick or have severe diarrhoea, use additional contraception, like condoms, until you have taken the pill correctly for 7 days without any illness.

How does the progestogen-only pill work?

The progestogen-only pill contains just one hormone, progestogen. It primarily works by thickening the cervical mucus to prevent sperm from reaching an egg and sometimes stopping ovulation.

How effective is the progestogen-only pill?

The progestogen-only pill is over 99% effective when taken correctly at the same time every day. If not taken as directed, its effectiveness drops to about 91%, meaning 9 out of 100 women could become pregnant in a year.

What should I do if I miss a progestogen-only pill?

If you are less than 3 hours late taking a traditional progestogen-only pill, or less than 12 hours late for a desogestrel pill, take the missed pill as soon as you remember and continue as normal. If you are later than this, use additional contraception, like condoms, for the next 2 days (or 7 days if taking the drospirenone pill).

Can I take the progestogen-only pill if I’m breastfeeding?

Yes, the progestogen-only pill is safe to take while breastfeeding and is often recommended because it does not contain estrogen, which can affect milk supply.

What are the common side effects of the progestogen-only pill?

Common side effects include changes in menstrual bleeding patterns, such as lighter, more frequent, or no periods, and spotting between periods. Some users may also experience mood swings, acne, or changes in sex drive, though these are less common.

What should I do if I’m sick or have diarrhoea while taking the progestogen-only pill?

If you vomit within 2 hours of taking a traditional progestogen-only pill, or within 3 to 4 hours of taking a desogestrel or drospirenone pill, take another pill as soon as possible. If you have severe diarrhoea, continue taking your pills as usual but use additional contraception, like condoms, until 2 days (or 7 days for drospirenone pills) after your symptoms stop.

Do these pills protect against sexually transmitted infections (STIs)?

No, neither the combined pill nor the progestogen-only pill protects against sexually transmitted infections (STIs). To protect against STIs, use condoms in addition to taking your contraceptive pill.

What should I do if I take an extra pill?

Accidentally taking an extra pill is unlikely to cause harm. Continue taking the rest of the pills in your pack as usual, at your regular time each day. You might experience mild side effects such as nausea, vomiting, or vaginal bleeding, but these should pass. If you have any concerns, consult a healthcare provider.

How soon after starting the pill am I protected from pregnancy?

If you start taking the combined pill or progestogen-only pill on the first day of your period, you are protected from pregnancy immediately. If you start taking the pill at any other time during your cycle, you may need to use additional contraception, like condoms, for the first 7 days with the combined pill or for 2 days with the progestogen-only pill (7 days for the drospirenone pill).

Can I switch between the combined pill and the progestogen-only pill?

Yes, you can switch between the combined pill and the progestogen-only pill, but it’s important to do so correctly to maintain contraceptive protection. Generally, you should start the new pill immediately after finishing the old pack without a break. Consult your healthcare provider for specific guidance on how to switch based on your individual circumstances.

What should I do if I have unusual bleeding while taking the pill?

Light spotting or breakthrough bleeding is common, especially during the first few months of taking either the combined pill or the progestogen-only pill. If the bleeding is heavy, prolonged, or occurs after you’ve been on the pill for several months, consult your healthcare provider to rule out other causes or to discuss whether you might need a different type of contraception.

Can I take the pill if I have certain health conditions?

Whether you can take the combined pill or the progestogen-only pill depends on your individual health conditions. The combined pill may not be suitable for women with a history of blood clots, certain cancers, or uncontrolled high blood pressure. The progestogen-only pill is often recommended for those who cannot take estrogen. Always discuss your full medical history with your healthcare provider before starting any contraceptive pill.

What should I do if I want to get pregnant after stopping the pill?

After stopping the combined pill or the progestogen-only pill, your fertility usually returns to normal quickly, typically within a month. However, it might take a few cycles for your periods to regularize. If you want to conceive, it’s recommended to start tracking your cycle to identify your most fertile days.

How do medicines and herbal remedies affect the pill?

Some medications and herbal remedies can reduce the effectiveness of both the combined pill and the progestogen-only pill. This includes certain antibiotics, anti-seizure medications, and herbal remedies like St John’s wort. Always inform us and your healthcare provider of any other medications or supplements you’re taking to ensure they won’t interfere with your contraceptive pill.