Side Effects, Health Benefits, and Health Risks
Some users report the following:
- Changes in monthly bleeding, including:
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First several months:
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After about one year:
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- Lighter bleeding and fewer days of bleeding
- Irregular bleeding
- Infrequent bleeding
- No monthly bleeding
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- Lighter bleeding and fewer days of bleeding
- Irregular bleeding
- Infrequent bleeding
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Implanon users are more likely to have infrequent or no monthly bleeding than irregular bleeding.
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- Headaches
- Abdominal pain
- Acne (can improve or worsen)
- Weight change
- Breast tenderness
- Dizziness
- Mood changes
- Nausea
Other possible physical changes:
- Enlarged ovarian follicles
Known Health Benefits
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Known Health Risks
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Help protect against:
- Risks of pregnancy
- Symptomatic pelvic inflammatory disease
May help protect against:
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None
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Complications
Uncommon:
- Infection at insertion site (most infections occur within the first 2 months after insertion)
- Difficult removal (rare if properly inserted and the provider is skilled at removal)
Rare:
- Expulsion of implant (expulsions most often occurs within the first 4 months after insertion)
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