
Contraceptifs réversibles à longue durée d'action
LARCs
Revu par Dr Colin Tidy, MRCGPDernière mise à jour par Dr Rosalyn Adleman, MRCGPDernière mise à jour 10 fév 2023
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Dans cette série :Implant contraceptifInjection contraceptiveDispositif intra-utérin contraceptifDispositif intra-utérin au lévonorgestrel
Long-acting reversible contraceptives are very effective birth control methods. When you use one of these, you do not have to rely on remembering something every day. They last between 2 months and 10 years, depending on the option used. They may come in the form of injections, implants, and also devices which are placed in your womb (uterus).
En un coup d'œil
Long-acting reversible contraception (LARC) is a type of birth control.
There are four types of LARC: the implant, the injection, the IUCD, and the IUS.
Once fitted, LARCs can last for three, five, or ten years, depending on the type.
LARCs are very reliable because you do not need to remember to take them daily.
They are reversible, so you can become fertile again after removal.
Want to access contraception online?
Commencez rapidement une consultation NHS Pharmacy First en ligne sur Patient.info.
- Disponible en ligne 24 h/24 et 7 j/7, le traitement peut souvent être livré dès le lendemain.
- Service gratuit, just pay the NHS prescription charge online if required.
- Répondez simplement à quelques questions, puis choisissez un créneau pour un appel avec un professionnel de santé.
Propulsé par Evaro, un service de santé réglementé au Royaume-Uni qui accompagne plus de 2 millions de patients. Vérifié par des professionnels de santé inscrits au registre britannique.
What are the long-acting reversible contraceptive choices?
There are four types of long-acting reversible contraception (LARC).
L'implant contraceptif. A minor procedure under local anaesthetic is needed to insert the small, rod-shaped implant under the skin in your upper arm, where it remains. The implant releases a progestogen hormone. Each implant lasts three years. Read about the le dispositif contraceptif.
L'injection contraceptive. An injection of a progestogen hormone is given every three months (two months for one brand), most commonly into the muscle in your bottom. Read about the injection contraceptive.
Le dispositif contraceptif intra-utérin (DIU). This is also known as 'the coil'. It sits inside the womb (uterus) and, once fitted, can stay in your womb for up to ten years. The device is called a coil because in the 1960s some devices were coil-shaped. Read about the dispositif contraceptif intra-utérin.
The intrauterine system (IUS). This is a specific type of IUCD which releases a progestogen hormone into the womb. It can last for up to five years. Read about the système intra-utérin (SIU).
Why would I choose long-acting reversible contraception?
LARCs are ideal for women who do not want a baby in the near future. This might be because you think you have completed your family and don't want more children, but want to keep your options open. Or it might be because you are young and not wishing to have children for some years to come. Or because you don't want children at all. Or because you are not currently in a position to have children, because of your job, relationship or finances. The great thing about LARCs is the word "reversible" - so if your situation changes, you can stop using them and become fertile again.
You don't need to take a tablet every day, so for most LARCs, you can forget about contraception for years at a time. This makes them more reliable (as they don't need you to remember, other than when they are due to be replaced).
The main downside is that they all require a small procedure of some sort. However, this does not have to be done very often, and provides long-term, reliable contraception once you have done it.
Which LARC should I choose?
This is an individual choice. Different people will prefer different options. Pros and cons of each are weighed up in the separate leaflet called Contraception Methods, and there is plenty of information about each in their individual leaflets as linked above.
Want to access contraception online?
Commencez rapidement une consultation NHS Pharmacy First en ligne sur Patient.info.
- Disponible en ligne 24 h/24 et 7 j/7, le traitement peut souvent être livré dès le lendemain.
- Service gratuit, just pay the NHS prescription charge online if required.
- Répondez simplement à quelques questions, puis choisissez un créneau pour un appel avec un professionnel de santé.
Propulsé par Evaro, un service de santé réglementé au Royaume-Uni qui accompagne plus de 2 millions de patients. Vérifié par des professionnels de santé inscrits au registre britannique.
Sélections des patients pour Contraception

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Diaphragmes et capes
Diaphragms and caps are barrier methods of contraception. They are convenient but not quite as reliable as some other methods of contraception.
par Dr Mary Harding, MRCGP

Santé sexuelle
Méthodes naturelles de planification familiale
La planification familiale naturelle est une méthode de prévention de la grossesse qui ne nécessite pas de médicaments ni de dispositifs. La méthode de la conscience de la fertilité est un type de planification familiale naturelle qui permet de prévoir votre période fertile. C'est le moment où vous êtes le plus susceptible de concevoir.
par Dr Jacqueline Payne, FRCGP
Questions fréquemment posées
What makes LARCs more effective than methods like the pill?
LARCs are considered very reliable because, unlike daily pills, they don't require you to remember to do anything regularly. Once placed, they work continuously for years, which reduces the chance of human error affecting their effectiveness.
How often do I need to visit a doctor for LARC once it's fitted?
After the initial procedure to insert a LARC, you generally don't need frequent doctor visits for contraception. Depending on the type, you can forget about it for anywhere from three to ten years until it needs to be replaced.
Are all LARCs hormone-based?
Most LARCs release a progestogen hormone, such as the implant, injection, and the intrauterine system (IUS). However, there is also the intrauterine contraceptive device (IUCD), also known as 'the coil', which does not release hormones.
If I decide to have children earlier than planned, can I have my LARC removed at any time?
Yes, the term "reversible" in LARC means that if your situation changes and you wish to become pregnant, you can have the device removed. Once it's removed, you can become fertile again.
Is it painful to have a LARC fitted or removed?
The article mentions that inserting the contraceptive implant is a "minor procedure under local anaesthetic." For other LARCs, it states that they "require a small procedure of some sort." The article does not elaborate further on the pain experienced during fitting or removal for any of the devices.
Lectures complémentaires et références
- Contraception réversible à longue durée d'action; Ligne directrice clinique NICE (octobre 2005 - mise à jour juillet 2019)
- Trussell J; Échec contraceptif aux États-Unis, Contraception, 2011
- Contraception Intra-utérine; Unité d'efficacité clinique de la Faculté de santé sexuelle et reproductive (mars 2023 - dernière mise à jour juillet 2023)
- Tableau récapitulatif des critères d'éligibilité médicale du Royaume-Uni pour la contraception intra-utérine et hormonale; Faculté de Santé Sexuelle et Reproductive, 2016 - modifié en septembre 2019
- Contraception - méthodes progestatives seules; NICE CKS, septembre 2022 (accès réservé au Royaume-Uni)
À propos du critiqueVoir la biographie complète

Dr Colin Tidy, MRCGP
Médecin généraliste, Auteur médical
MBBS, MRCGP, MRCP (Paediatrics), DCH
Le Dr Colin Tidy est un médecin du NHS, basé dans l'Oxfordshire.
Historique de l'article
Article également disponible en Anglais, Allemand, Espagnol, Français, Italien, Portugais, Hindi, Hébreu, Arabe, and Suédois.
Prochaine révision prévue : 9 févr. 2028
10 fév 2023 | Dernière version
30 oct. 2017 | Publié à l'origine
Écrit par :
Dr Mary Harding, MRCGP
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