Medically reviewed by Alan Lucks | MD, Alan Lucks MDPC Private Practice - New York on February 5th, 2026.
Weight changes can occur with Nexplanon, but scientific evidence is mixed
Hormonal birth control may impact metabolism and appetite
Individual experiences vary widely among users
Consulting a healthcare provider is crucial for personalized advice
Birth control is a deeply personal choice, and many people worry about potential side effects like weight gain. The Nexplanon implant, a popular long-term birth control method, often raises questions about its impact on body weight. While some users report weight changes, the scientific research presents a nuanced picture that goes beyond simple yes or no answers.
Hormonal contraceptives can influence body weight through complex mechanisms involving hormones, metabolism, and individual physiology. Understanding these factors can help you make an informed decision about your birth control options.
Nexplanon releases progestin, a synthetic hormone that prevents pregnancy by stopping ovulation. This hormone can potentially affect your metabolism and appetite. Some users report increased hunger or slight changes in how their body processes calories, which might contribute to weight fluctuations.
Research suggests that hormonal changes can impact water retention, muscle mass, and metabolism. However, these effects are not universal. Many individuals experience no significant weight changes while using the implant.
Multiple clinical studies have investigated the relationship between Nexplanon and weight gain. While some participants reported minor weight changes, the overall evidence remains inconclusive. Most studies indicate that any weight fluctuations are typically minimal and vary greatly between individuals.
Study Type |
Weight Change Findings |
Duration |
|---|---|---|
Short-Term Clinical Trials |
0-2 lbs average change |
1 year |
Long-Term User Reports |
Varied individual experiences |
3-5 years |
Controlled Research |
No consistent significant weight gain |
Ongoing |
Several personal factors can contribute to weight changes while using Nexplanon:
Metabolism
Diet and exercise habits
Genetic predisposition
Age
Stress levels
Birth control interactions with other medications or lifestyle factors can also play a role in potential weight fluctuations.
If you're concerned about weight changes, consider these strategies:
Maintain a balanced diet
Regular physical activity
Monitor your weight periodically
Discuss concerns with healthcare providers
Consider alternative birth control methods if significant changes occur
While weight is a common concern, birth control side effects can include:
Irregular menstrual bleeding
Mood changes
Skin modifications
Potential hormonal fluctuations
No. Weight changes are individual and not experienced by all users.
Typically, if weight changes occur, they are minimal (1-4 pounds).
Maintain a healthy lifestyle with balanced nutrition and regular exercise.
Consult your healthcare provider to discuss concerns and potential alternatives.
Most weight-related changes stabilize within 6-12 months of insertion.
Weight changes with Nexplanon are possible but not guaranteed. Individual experiences vary widely, and scientific evidence suggests minimal impact for most users. Professional medical guidance remains the most reliable approach to understanding your personal response.
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Birth control is a deeply personal choice, and many people worry about potential side effects like weight gain. The Nexplanon implant, a popular long-term birth control [...]
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