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Contraceptive Patch

The contraceptive patch is a small and thin beige patch which is stuck onto the skin.

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How does it work?

The contraceptive patch works by releasing the hormones oestrogen and progesterone.


Oestrogen prevents ovulation. This is when the ovaries release an egg each month.


Progesterone thickens the mucus in the cervix so sperm cannot easily pass through and it thins the lining of the womb (endometrium) which makes it difficult for the egg to implant itself.


How long does it last?

Each contraceptive patch lasts for approximately 1 week.

Who can use it?


The contraceptive patch may not be suitable if*:


  • You have a personal or family history of breast cancer

  • Have a history of blood clots

  • Have a history of migraines

  • You smoke cigarettes

  • You are over the age of 35 years old

  • You have a high Body Mass Index (BMI)

How effective is it?

The contraceptive patch is approximately 99% effective if used perfectly and 91% effective with typical use.


There are many advantages to using the contraceptive patch such as:

  • It can help improve painful or heavy periods

  • It can help with conditions such as acne, polycystic ovary syndrome (PCOS) and endometriosis

  • It may improve menopausal and premenstrual syndrome (PMS) symptom


The disadvantages of the contraceptive patch include:


  • Lack of prevention against STIs

  • It is visible

  • Side effects (e.g. spotting, headaches, breast tenderness, mood changes and nausea)

*This is not an extensive list. Please see your doctor for further advice.

Sources and Useful links
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