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Jaydess
Jaydess vs Kyleena – A Comparison of Two Popular IUDs
Jan 21, 2025
According to the Guttmacher Institute, approximately 14% of women aged 15 to 44 in the United States use intrauterine devices (IUDs) as their preferred method of contraception. This statistic highlights the growing popularity of IUDs among women seeking long-term, reliable birth control.
Jaydess and Kyleena are two popular options known for their effectiveness and convenience. Jaydess is a smaller, hormonal IUD offering up to three years of protection, while Kyleena, slightly larger, provides up to five years. Both are designed to offer long-term contraception with minimal maintenance and ease of use.
In this article, we will compare Jaydess and Kyleena, examining their features, effectiveness, and user experiences to help you decide which IUD might best fit you.
Key Takeaways
- Jaydess is smaller and delivers a lower hormone dose compared to Kyleena, which can result in different bleeding patterns and side effects for users.
- Jaydess provides effective contraception for 3 years, while Kyleena lasts for 5 years, making it ideal for those seeking longer-term birth control.
- Jaydess and Kyleena are more than 99% effective at preventing pregnancy with typical use, offering reliable protection with very low failure rates.
- Both IUDs may cause menstrual changes. Kyleena’s higher hormone dose could increase the likelihood of side effects like acne or mood shifts.
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Overview of Jaydess and Kyleena
Jaydess and Kyleena are hormonal IUDs designed to provide highly effective, long-term contraception. Both devices release the hormone levonorgestrel, which thickens cervical mucus and thins the uterine lining, preventing sperm from reaching the egg. These IUDs are suitable for women of various reproductive backgrounds, including those who have not had children.
While both options are trusted and reliable for preventing pregnancy, the choice between Jaydess and Kyleena depends on individual needs, lifestyles, and preferences. Factors such as hormonal sensitivity and the desired duration of contraception play a key role in decision-making.
Hormonal Dosage and Duration of Effectiveness
Jaydess and Kyleena both contain levonorgestrel but differ in their hormone dosage and duration of effectiveness. Jaydess releases 13.5 mg of levonorgestrel and protects for up to 3 years, with a starting daily dose of 14 mcg. Kyleena, with 19.5 mg of levonorgestrel, offers protection for up to 5 years and begins with a daily dose of 17.5 mcg.
The higher hormone dosage in Kyleena offers a longer-lasting contraceptive solution, while Jaydess is a shorter-term option. Factors such as desired duration, hormone sensitivity, and potential side effects should guide the choice.
Size and Suitability for Women Who Haven’t Had Children
Jaydess and Kyleena vary in size, which can affect their comfort and suitability, especially for women who haven’t had children, as a smaller IUD may be more appropriate for specific anatomical considerations.

- Jaydess: It measures 30 mm in length. It is smaller and often considered more comfortable, especially for women without children. However, its hormone dose is 6 µg levonorgestrel daily, not 13.5 mg.
- Kyleena: It measures 28 mm in width and 30 mm in length, making it slightly larger than Jaydess. Kyleena does provide stronger contraception over a longer duration, effective for up to 5 years.
Both IUDs are over 99% effective in preventing pregnancy. For women without children, Jaydess may be the preferred choice due to its smaller size and lower hormone content, offering a more comfortable and hormonally gentle option.
Side Effects Comparison Between Jaydess and Kyleena
Jaydess and Kyleena are both hormonal IUDs that provide long-term contraception, but they differ in their hormone dosage and potential side effects. Here’s a comparison of their impact on your body.

Jaydess
- Typically, a lighter dose of hormone
- This may lead to irregular periods, spotting, or lighter periods
- Can cause side effects like headaches, breast tenderness, acne, and mood changes
- Potential for decreased period flow over time
- Higher chance of spotting during the first few months
Kyleena
- Slightly higher hormone dose
- Similar side effects: headaches, breast tenderness, acne, mood swings
- Often results in lighter periods or amenorrhea (absence of periods)
- It can cause cramping or spotting in the first few months
- Periods may become lighter over time
Choosing Between Jaydess and Kyleena
Choosing between Jaydess and Kyleena depends on your needs and lifestyle. Jaydess offers a lower hormone dose and provides contraception for up to 3 years, making it a great option for those who prefer a shorter-term solution or are more sensitive to hormones. Kyleena, with its slightly higher hormone dose and 5-year longevity, is ideal for those seeking long-term contraception. Younger women or those who haven’t given birth may find Jaydess more comfortable due to its smaller size.
Both IUDs can have side effects, such as acne or mood changes, although these may be more common with Kyleena. Discussing your preferences and lifestyle with a healthcare provider is crucial. This consultation can help ensure the right choice, potentially avoiding early Jaydess removal or switching IUDs later due to dissatisfaction or side effects.
Conclusion
Deciding between Jaydess and Kyleena comes down to personal needs and priorities. Jaydess, with its lower hormone dose and shorter duration, is ideal for those looking for a lighter option, while Kyleena offers extended protection and is better suited for those seeking longer-term contraception.
A thorough discussion with a healthcare provider can help tailor the choice to individual circumstances, considering factors like comfort, lifestyle, and hormone sensitivity. With the right guidance, selecting between these two IUDs becomes a confident step toward achieving effective and stress-free contraception.
FAQs
1. How does Jaydess work?
Jaydess prevents pregnancy by releasing hormones that thicken cervical mucus, making it harder for sperm to reach the egg. It also thins the uterine lining.
2. Is Jaydess effective?
Yes, Jaydess is over 99% effective at preventing pregnancy.
3. Can I use Jaydess if I haven’t had children?
Yes, Jaydess can be used by women who have not given birth.
4. What are the common side effects of Jaydess?
Side effects may include irregular bleeding, spotting, headaches, breast tenderness, acne, and mood changes.
References
Intrauterine Devices (IUDs): Access for Women in the U.S. KFF. Published September 9, 2020. https://www.kff.org/womens-health-policy/fact-sheet/intrauterine-devices-iuds-access-for-women-in-the-u-s/
Intrauterine Devices (IUDs). Healthline. https://www.healthline.com/health/birth-control-iud