How Long After Nexplanon Inserted Is It Effective (And Why)?

Exact Answer:  After 7 days

Nexplanon, a well-known rod implanted in the body to prevent from being pregnant for up to five years. The size of Nexplanon would be equal to the size of a matchstick. Nexplanon works by releasing a small amount of progestin for about three years. The effect of Nexplanon decreases slowly and the release of progestin also reduces over time.

It is recommended to remove the implant after three years, as the dose of progestin is almost reduced. This birth control is inserted under the skin of the arm by experts to avoid risks. You will also be given an anesthetic injection to numb the particular area.

How Long After Nexplanon Inserted Is It Effective

How Long After Nexplanon Inserted Is It Effective?

There are numerous birth control ways, which includes Nexplanon, one of the best and effective ways. According to the research, Nexplanon is considered 99% effective in case of preventing being pregnancy. The working of Nexplanon depends on the period you have implanted. If it is placed within 5 days of your menstrual cycle, Nexplanon starts to work immediately. Whereas if you have missed implant it during menstrual, it does not work immediately.

You should use other preventive measures for at least the next 7 days, as it will take a week to show its effectiveness. Even, there are no restrictions in implanting Nexplanon immediately after your abortion or a miscarriage. You will be safe from being pregnant.  In the case of implanting the Nexplanon within 21 days of birth, it starts to work right away. You should use other contraception like condoms for a week if it is placed after 21 days.

As Nexplanon is placed under the skin of your arm, you will feel soreness and a little uncomfortable for around 2 days. You may also feel pain which can be reduced by various sorts of pain killers like ibuprofen and acetaminophen. But, it is highly important to follow prescribed medicines to recover soon. Your doctor may even recommend other types of treatment in case of any other side effects.

The Nexplanon shows its effectiveness until 5 years. It is necessary to remove or replace the implanted Nexplanon with the help of your professional.  Once it is removed, it does not protect you. You can also remove it whenever according to your requirement. It is useful for women who could not remember to take pills daily or could not use other sorts of measures.

ConditionsTime Require to be Effective
Within 5 days of the menstrual cycleImmediately
After 5 daysAfter a week
Before 21 days of abortionImmediately
After 21 days of abortionAfter 7 days

Why Does It Take That Long To Become Effective After Nexplanon?

Nexplanon is considered a reversible and highly used measure for birth control. It can provide you protection for several years.  Before inserting Nexplanon, you have to undergo a pregnancy test to confirm your pregnancy.  Only after the confirmation, you can proceed with further procedures. After the test, you can implant it at any time of your menstrual cycle.

Health care professionals will clean your arm with some type of solution and you will be given an injection to avoid pain during implantation.  It is considered a non-dangerous one and as years pass by, the hormone level starts to drop which tends to become less effective. Once, effectiveness is completed, it can still release the hormone, but those will not serve any purpose.

People who use Nexplanon do not suffer from any side effects for the long term. Most of the minor effects go within three to four months once your body starts to adapt to the hormones. You will be monitored very accurately before discharging to home.  The implanted site will contain a pressure bandage for at least a day and a regular bandage for 2 or 3 days. You are restricted to do strenuous activities during these days as it may take a long to recover.

If it is implanted, and you could not feel it, visit your doctor immediately as there are chances of being pregnant.  Most people have common side effects in menstrual bleeding. Sometimes, it may take longer. It is strictly recommended to consult a doctor if you have any other health problems like liver or heart diseases.


As every treatment involves risk, few risks may be life-threatening to most people using the Nexplanon to prevent pregnancy, which should be discussed with your professionals before treatment. You may opt for other options too. Nexplanon must be inserted only by experts, nurse practitioners, or any gynecologist who has good experience to insert or remove the implant.

It cannot be brought from pharmacies like other birth control forms. Many women believe that by implanting Nexplanon, your body gains weight. Before proceeding with the treatment, ensure all the benefits and risks involved by consulting professionals and choose the right treatment.


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