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Contraceptive Hormone Implant

There are many options for contraception and depending on your individual requirements and medical history, some may be more suitable than others. One option you may want to consider is the contraceptive implant.

What is the Contraceptive Implant?

The Contraceptive implant is a small plastic rod which is placed under the skin on your upper arm. It is highly effective (over 99% effective) and releases the hormone progesterone into your bloodstream to prevent pregnancy. The implant lasts for 3 years.

What are the advantages and disadvantages of using a contraceptive implant?


  • Once it is inserted, you don’t have to think about it for 3 years
  • If you cannot, or would rather not have a contraceptive containing oestrogen, then this is a good option
  • If you frequently forget to take your pill, this is an easier option
  • Once removed, your fertility will return quickly
  • If you have any adverse side effects, it can be removed at any time
  • It is safe to use during breast feeding
  • It may make periods lighter and reduce period pain


  • When inserted under the skin, you may get some discomfort and bruising at the entry site
  • Your periods may become irregular or stop completely
  • Some medications will effect it’s efficacy
  • It does not protect against STIs and therefore you may wish to also use condoms
  • It may impact your skin and make it more prone to acne
  • You may experience temporary side effects including headaches, nausea, mood swings and breast tenderness
  • It requires a small procedure to insert and remove

How does it prevent pregnancy?

The implant releases progesterone into the bloodstream which prevents pregnancy in 3 ways:

  1. It prevents the release of an egg each month
  2. It thins the lining of the womb making it difficult for any fertilised egg to implant itself
  3. It thickens the cervical mucus which makes it harder for sperm to travel through the cervix

When can it be fitted?

The implant can be fitted at any time during your cycle but please be aware you will need to use extra contraception for 7 days if it is fitted after day 5 of your cycle.

You would firstly have a gynae consultation at the clinic to discuss your medical history. If the contraceptive implant is deemed appropriate for you, then it would be ordered for fitting the following week.

To book an appointment to discuss contraception, please call 01483 454 016 or book an initial gynae consultation on-line in the link below:

Book an Appointment

Many of our appointments including Ultrasound Scans, Consultations, Physio and Therapy Appointments are available to book online by following this link. Alternatively, for fertility and all other appointments, please call 01483 454016