Implanon NXT: How it Works, It's Pros and Cons

Implanon NXT

Implanon NXT is used to prevent pregnancy.

Implanon NXT is placed directly under the skin of the non-dominant upper arm.

Implanon NXT prevents pregnancy in two ways:

  • It prevents the release of an egg cell from the ovaries (ovulation)
  • It causes changes in cervical mucus that makes it difficult for sperm to enter the womb.

As a result, Implanon NXT protects you against pregnancy for a period of three years, but if you are overweight the doctor may advise you to replace the implant earlier. Implanon NXT is one of several means of preventing pregnancy. Another frequently used birth control method is the combined Pill. Implanon NXT differs from combined Pills in that it contains no estrogen and you do not have to remember to take a pill every day.

Implanon NXT has several important advantages:
  • It is one of the most reliable birth control methods (over 99% effective).
  • It does not interfere with having sex.
  • Once you stop using it you can expect your previous fertility to return quickly.
Furthermore, compared to the combined Pill, Implanon NXT has some additional advantages, but also some disadvantages:

Advantages of Implanon NXT


  • You do not have to worry about taking a tablet each day; the implant should be replaced every 3 years.
  • Implanon NXT may be used by women who do not tolerate estrogens.
  • In some circumstances, Implanon NXT may be used by breastfeeding women. Check with your doctor for advice.

Disadvantages of Implanon NXT


  • Your menstrual bleeding may change and become absent, irregular, infrequent, frequent, prolonged, or rarely heavy. The bleeding pattern that you experience during the first three months generally indicates your future bleeding pattern. (see also 'Menstrual bleeding')
  • On rare occasions, the implant moves from its original position. This may complicate removal (see also 'Insertion and removal related events').
  • If in rare cases the implant is not inserted correctly or is not inserted at all, you may not be protected against pregnancy.
  • Implanon NXT must be inserted and removed by a doctor. A small scar may remain.

A doctor's prescription is required to obtain this medicine.

Before you have Implanon NXT inserted or removed, confirm that your doctor is familiar with the technique. For uncomplicated removals, it is necessary that Implanon NXT be inserted directly under the skin. Incorrect insertion may lead to complicated removals that may result in scarring.
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