Failures in implanon

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An incorrect placement of Implanon, a novel contraceptive implant, could be the cause of almost 600 unwanted pregnancies.

Below you have an index with all the points that we will discuss in this article.

Index

Failures in the Implanon

A recent publication in the United Kingdom points to a possible failure of the contraceptive implant that could be due to its incorrect placement. A total of 584 unwanted pregnancies were detected in women who used this method of contraception . However, the health authorities in both the United Kingdom and Spain reassure about their safety and their effectiveness in preventing pregnancy as long as it is correctly placed.

Contraceptive safety Implanon

What is Implanon?

The contraceptive implant is a hormonal method that works based on the continued release of its active ingredient, etonogestrel. This active principle exerts its contraceptive action in two ways:

  • Prevents the release of an ovum from the ovaries.
  • It produces changes in the cervix that hinder the entry of semen into the uterus.

It is a very small plastic rod (2 mm wide and 4 cm long) that is placed under the skin of the arm on the first day of menstruation and can be used for a period of up to 3 or 5 years. Since its placement is subcutaneous, it requires surgery. Although it is a very simple surgery, it must be done by trained and trained professionals. It is considered a very effective contraceptive method but, like the other methods, none of them is totally safe and there are failures in its functioning.

The British press has recently published data on around 600 unwanted pregnancies in women who used this method of contraception. Similarly, Channel 4 News has reported on these cases of unwanted pregnancies, as well as adverse reactions since it was authorized in 1999.

In Spain, the implant began to be commercialized in the year 2000 but its use is still quite low, they are around 1% of women of childbearing age.

Use of implanon in Spain

The British Government, for its part, has sent a reassuring message since it is an important volume of implanon users in this country and the vast majority have functioned correctly. Currently, 800,000 women in the United Kingdom use Implanon and approximately 1.4 million have used it since it was authorized. As a result, fewer than 1,000 women have become pregnant with this implant.

In Spain, the Ministry of Health has echoed this information and plans to review the issue in the next meetings of the European pharmacovigilance group. Ezequiel Pérez, president of the Spanish Contraception Foundation, also wanted to reassure the users of this method, remembering that it is supported by numerous scientific studies and that, moreover, everything points to a failure in its management rather than to the method itself.



Importance of correct placement

This device is manufactured by the company MSD and its commercial name is Implanon. Since October 2010, a new version of the same has been commercialized and named Nexplanon. This new version has an applicator that facilitates its correct insertion and also, a system that helps its location in image tests.

On the occasion of these publications, the company MSD has ensured that the implant is effective and safe. He has noted the importance of correct insertion to ensure protection against unwanted pregnancies, also emphasizing the fact that no contraceptive method is 100% effective. In any case, they recommend that patients consult with their prescribers in case of doubt.




contraceptive methods in Madrid(Spain)

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