Symptoms of pregnancy with expired implanon

Discovering that you may be pregnant while using Implanon can be a concerning and confusing experience. Implanon, a popular contraceptive implant, is designed to prevent pregnancy, but it is not foolproof. In some cases, pregnancy can occur, especially if the implant has expired or if it was not inserted correctly. In this article, we will explore the symptoms of pregnancy that can occur when Implanon has expired or failed to provide effective contraception.

Understanding implanon and its effectiveness

Implanon is a hormonal contraceptive implant that is inserted under the skin of your upper arm. It releases a steady dose of a hormone called etonogestrel, which prevents pregnancy by inhibiting ovulation, thickening cervical mucus, and thinning the uterine lining. When inserted correctly and within its effective lifespan, Implanon is highly effective at preventing pregnancy, with a success rate of over 99%.

How implanon works

Implanon works by releasing a continuous low dose of hormones into your bloodstream. This prevents the release of eggs from your ovaries and makes it difficult for sperm to reach and fertilize an egg. Additionally, it thickens the cervical mucus, making it harder for sperm to enter the uterus.

Symptoms of pregnancy with expired implanon

When Implanon has expired or if it fails to work for any reason, you may experience symptoms that are indicative of pregnancy. These symptoms can include:

  • Missed Period: One of the most common signs of pregnancy is a missed period. If you have regular menstrual cycles and your period is significantly delayed or doesn’t arrive at all, it’s a cause for concern.
  • Unusual Bleeding: While Implanon can cause changes in your menstrual bleeding pattern, if you experience unusual bleeding or spotting, it could be a sign of pregnancy.
  • Breast Tenderness: Hormonal changes during pregnancy can lead to breast tenderness or swelling.
  • Frequent Urination: An increase in the frequency of urination can occur early in pregnancy due to hormonal changes and increased blood flow to the pelvic area.
  • Nausea and Fatigue: Pregnancy hormones can cause nausea and extreme fatigue in the early stages of pregnancy.
  • Changes in Appetite: Some women may experience changes in their food preferences and appetite when pregnant.

If you experience one or more of these symptoms and suspect that your Implanon may have expired or failed, it’s essential to consult a healthcare provider for a proper evaluation. They can perform a pregnancy test and determine the cause of your symptoms.


Can i get pregnant with expired implanon?

Yes, it is possible to become pregnant with an expired Implanon. While the implant is highly effective during its lifespan, it becomes less reliable after it expires.

How long does implanon last?

Implanon is effective for up to three years. After this period, it should be removed and replaced with a new implant if you wish to continue using it for contraception.

What should i do if i suspect pregnancy with implanon?

If you suspect you may be pregnant while using Implanon, consult a healthcare provider promptly. They can perform a pregnancy test and discuss your options and next steps.

Is it safe to use implanon during pregnancy?

No, Implanon is not intended for use during pregnancy. If you are pregnant, the implant should be removed as soon as possible to avoid potential complications.

Can i use implanon after pregnancy?

Implanon can be inserted immediately after childbirth if you wish to continue using it for contraception. It is safe to use while breastfeeding.

Remember that while Implanon is a highly effective form of contraception, no method is entirely foolproof. If you suspect pregnancy or have concerns about the effectiveness of your contraceptive method, seek advice from a healthcare professional.

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