Over 60% of women in the United States use contraceptives. 

Among them, the copper IUD (Intrauterine Device) stands out for its effectiveness. 

However, a concern often lingers: does the copper IUD cause weight gain?

While it is not a commonly observed side effect, some users have reported weight gain while using copper IUDs.

This article explores the probability of copper IUD weight gain among people using it, what might be causing it, and tips to manage it.

Does copper IUD cause weight gain

Weight gain is a concern for many women when choosing a birth control method. 

Some anecdotal evidence suggests that copper IUDs may cause weight gain, but scientific evidence needs to be more conclusive.

A study on a cohort of lower and middle-class Brazilian copper IUD users found that they tended to gain weight during their reproductive life, independent of other factors.

However, recent studies have shown that copper IUD users did not experience significant weight gain.

In fact, copper IUD users had lower weight gain compared to users of other contraceptive methods.

A different study, which compared weight gain among a large group of racially diverse women using the hormonal IUD, copper IUD, and birth control implant, found that copper IUD users gained less weight than hormonal IUD users.

Another 2013 study by the American College of Obstetricians and Gynecologists (ACOG) reported that among women who used implants and shots, those who used copper IUDs were less likely to report weight gain than those who used hormonal IUDs.

The copper IUD is a safe and effective contraceptive method, and any weight gain it causes is typically not substantial. 

Other forms of birth control, such as hormonal pills and IUDs, are more likely to cause weight gain.

Fact:
The copper IUD can act as contraception for 5-10 years or more, depending on the type fitted and the age of the individual at the time of fitting.

Factors affecting weight gain while using the copper IUD

Weight gain after menopause
Woman measuring waist

Weight gain can have many causes, including natural aging processes, lifestyle factors such as diet and exercise, and underlying medical conditions.

Common factors that can affect weight gain while using the copper IUD include:

  • Hormonal changes: Hormonal fluctuations can contribute to weight gain
  • Dietary habits: Consuming high-calorie, processed, or sugary foods can lead to weight gain
  • Lack of physical activity: A sedentary lifestyle can contribute to weight gain
  • Underlying medical conditions: Certain medical conditions, such as thyroid issues or Polycystic Ovary Syndrome (PCOS), can cause weight gain
  • Aging process: Natural aging processes can also contribute to weight gain

Addressing these stressors and making lifestyle changes to manage weight gain while using the copper IUD is essential. 

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Read to discover the benefits and side effects of a copper IUD:
Copper IUD Pros and Cons: Exploring Through the Ways 

Methods to manage weight gain while using the copper IUD

Some lifestyle changes that can help manage weight gain while using the copper IUD include:

  • Healthy diet: A nutritious and well-balanced diet can assist with weight management. Focus on consuming fruits, vegetables, lean proteins, and whole grains
  • Physical activity: Staying active through regular exercise can aid in weight management. Participate in activities like walking, jogging, swimming, and cycling
  • Hydration: Water retention may contribute to weight gain, and drinking enough water can help prevent it
  • Medical consultation: If concerned about weight gain, it’s important to consult a healthcare provider. They can offer personalized advice and handle any specific concerns

Incorporating these lifestyle changes can contribute to weight management while using the copper IUD. 

Warning:
Do not avoid using a condom if you are at an increased risk of contracting an STD. The copper IUD does not protect against them.

Alternatives to copper IUD

Woman holding condom
Use condom

The copper IUD is not likely to cause significant weight gain.

However, in the occasional cases that it does, there are several non-hormonal birth control options available worth considering.

Some of these alternatives to avoid copper IUD weight gain include:

  • Diaphragm: A flexible, dome-shaped device that is put into the vagina and prevents sperm from entering the uterus
  • Spermicide: A chemical inserted into the vagina to prevent fertilization by killing or paralyzing sperm
  • Cervical cap: A tiny, bell-shaped device that is put into the vagina to prevent sperm from entering the cervix
  • Sponge: A small, round device made of polyurethane foam coated with spermicide that is inserted into the vagina to absorb sperm
  • Barrier methods: Condoms, which are not hormonal, can be used as a form of birth control and also protect against Sexually Transmitted Infections

Discussing options with a healthcare provider to determine the best alternative for one’s needs and preferences is essential. 

Each method has benefits and disadvantages, and finding the right one may take some trial and error.

Conclusion

While there have been some anecdotal reports of copper IUD weight gain, scientific evidence suggests that it is not a significant concern. 

In fact, compared to other contraceptive methods, copper IUD users tend to experience lower weight gain. 

Factors that may cause weight gain while using the copper IUD include hormonal changes, dietary habits, lack of physical activity, underlying medical conditions, and natural aging processes. 

Nevertheless, lifestyle changes such as a healthy diet, regular exercise, hydration, and consulting with a healthcare provider can help manage weight gain. 

For those still seeking alternatives, there are several non-hormonal birth control options available that are worth considering.

Frequently Asked Questions

Does the copper IUD cause weight gain?

No, research suggests that the copper IUD does not cause weight gain. It operates locally in the uterus without affecting metabolism. Any weight changes are likely unrelated to the use of a copper IUD.

Are there hormonal changes with a copper IUD?

No, copper IUDs do not cause hormonal changes. They work locally in the uterus, inhibiting sperm movement without releasing hormones. This distinguishes them from hormonal contraceptives, offering a hormone-free option for birth control.

Is the Copper IUD a safe and effective contraceptive option?

Yes, the Copper IUD is a safe and highly effective contraceptive option. It doesn’t involve hormones, has a low failure rate, and provides long-term protection. For personalized help, it’s best to talk to a healthcare worker.

What should I do if I’m concerned about weight changes?

If you are concerned about weight changes, consult a healthcare professional. They can assess your health, discuss lifestyle factors, and provide personalized guidance, ensuring you receive the most accurate and relevant advice.

Citations:
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