Related Experiment Videos
Implantable contraception.
1Department of Obstetrics, Gynecology, and Reproductive Sciences, University of California San Francisco, San Francisco General Hospital, USA.
Obstetrics and Gynecology Clinics of North America
|November 25, 2000
Summary
Levonorgestrel contraceptive implants offer a highly effective, long-term birth control option with rapid reversibility. Innovations provide easier use and suitability for diverse women, including adolescents and those with certain health conditions.
Area of Science:
- Reproductive Health
- Contraception
- Endocrinology
Background:
- Levonorgestrel contraceptive implants have been available for over 15 years.
- Recent innovations have expanded choices, offering improved insertion and removal processes.
- Implants provide effective pregnancy prevention through multiple mechanisms.
Purpose of the Study:
- To review the mechanisms, benefits, and considerations of levonorgestrel contraceptive implants.
- To highlight the suitability of implants for specific populations, including adolescents and women with contraindications to estrogen.
- To discuss the efficacy, side effects, and cost-effectiveness of these contraceptive devices.
Main Methods:
- Review of existing literature on levonorgestrel contraceptive implants.
- Analysis of mechanisms of action, efficacy rates, and safety profiles.
- Evaluation of suitability for various demographic groups and health conditions.
Main Results:
- Implants are highly effective, preventing pregnancy by inhibiting ovulation, altering cervical mucus, and affecting the endometrium.
- They are suitable for breastfeeding women, those with contraindications to estrogen, and individuals with conditions like diabetes or hypertension.
- Long-term use shows no decrease in bone mineral density and may improve iron stores. Common side effects include menstrual changes, headaches, and acne.
Conclusions:
- Levonorgestrel implants are a safe, effective, and reversible contraceptive method with broad applicability.
- Counseling on menstrual changes, side effects, and STI prevention is crucial.
- Despite initial costs, implants are cost-effective for long-term use.