Every contraceptive method has a profile of effectiveness, mechanism, convenience, side effects, non-contraceptive benefits, and suitability for specific health situations. No single method is best for all women. The best method is the one that provides reliable contraception while fitting your health history, your lifestyle, and your reproductive goals — and that you will actually use consistently.
This page provides a comprehensive overview of each major contraceptive category. Each method discussed in depth has its own dedicated page in this cluster for full detail. The purpose here is to give you a comparative framework before your clinical consultation.
Hormonal IUDs (Mirena, Kyleena, Liletta, Skyla)
Effectiveness: >99% — Failure rate <1% per year. Duration: 3 to 8 years depending on brand. How it works: Releases small amounts of levonorgestrel locally, thickening cervical mucus and thinning the uterine lining. Most users stop having periods or have very light spotting. Non-contraceptive benefits: Highly effective treatment for heavy periods, endometriosis-related pain, and fibroids. Best for: Women seeking highly effective, low-maintenance contraception; women with heavy or painful periods. Full IUD detail →
Copper IUD (Paragard)
Effectiveness: >99% — Most effective reversible contraceptive available. Duration: Up to 10 years (also effective as emergency contraception within 5 days of unprotected intercourse). How it works: Copper ions are spermicidal and prevent fertilization. No hormones. Non-contraceptive benefits: Hormone-free option; effective emergency contraception. Considerations: May increase menstrual flow and cramping, particularly in the first several months. Best for: Women seeking highly effective hormone-free contraception; women who cannot use hormonal methods.
Nexplanon (Contraceptive Implant)
Effectiveness: >99%. Duration: 3 years. How it works: A thin, flexible rod inserted under the skin of the upper arm releases etonogestrel continuously, suppressing ovulation. Non-contraceptive benefits: Reduced menstrual pain for many users. Considerations: Irregular bleeding is common, particularly in the first year. Periods may become lighter, irregular, or absent. Best for: Women wanting highly effective, completely maintenance-free contraception. Full Nexplanon detail →
Combined Oral Contraceptives (The Pill)
Effectiveness: 91% typical use, 99.7% perfect use. Duration: Daily. How it works: Combination of estrogen and progestin suppresses ovulation and thickens cervical mucus. Non-contraceptive benefits: Cycle regulation, reduced period pain and flow, acne improvement, reduced risk of ovarian and endometrial cancer with long-term use, management of endometriosis and PCOS symptoms. Considerations: Requires daily adherence; small increased risk of blood clots (particularly with certain formulations and in women with risk factors). Best for: Women who prefer a daily method with significant non-contraceptive benefits and want the ability to control cycle timing. Full pill guide →
Progestin-Only Pill (Mini-Pill)
Effectiveness: 91% typical use. How it works: Thickens cervical mucus; may suppress ovulation in some women. Requires a strict 3-hour daily window. Non-contraceptive benefits: Appropriate for women who cannot use estrogen (breastfeeding, history of clots, migraines with aura). Best for: Women with estrogen contraindications who prefer a daily oral method.
Patch and Ring
Effectiveness: 91% typical use (similar to the pill). How they work: The patch (Xulane, Twirla) is changed weekly for 3 weeks then removed for 1 week. The vaginal ring (NuvaRing, Annovera) is inserted monthly or annually. Both deliver combined hormones. Non-contraceptive benefits: Similar to the pill. Best for: Women who prefer not to take a daily pill but want a hormonal method with non-contraceptive benefits.
Barrier Methods
Effectiveness: 85 to 88% typical use for male condoms; lower for female condoms and diaphragms. Key advantage: The only contraceptive method that also provides STI protection. Best for: Women who need STI protection alongside contraception; used in combination with other methods for dual protection.
Fertility Awareness Methods
Effectiveness: 76 to 88% typical use; up to 99% with perfect use of evidence-based methods. How they work: Identify fertile days through tracking basal body temperature, cervical mucus, cycle length (symptothermal and Creighton methods), or app-based algorithms. Considerations: Require significant education, consistent tracking, and partner cooperation. Effectiveness is highly user-dependent. Best for: Women with religious or personal reasons to avoid hormonal or device-based contraception who are committed to thorough education and consistent practice.
Effectiveness as the Starting Point
If preventing pregnancy is the priority, effectiveness matters most. LARCs (IUDs and implant) have the highest real-world effectiveness because they remove user dependence. The pill, patch, and ring are highly effective with perfect use but their typical-use rates reflect the reality of human behavior. Knowing the effectiveness profile of each method helps set realistic expectations.
Non-Contraceptive Benefits
For women with heavy periods, endometriosis, PCOS, or severe dysmenorrhea, the non-contraceptive benefits of hormonal IUDs or combined pills may make them the clearly preferable choice independent of contraceptive need. These benefits are a significant part of the contraceptive counseling conversation at Lapeer Women’s Health.
Health History and Medical Considerations
Certain health conditions affect contraceptive eligibility. History of blood clots, migraines with aura, uncontrolled hypertension, and certain cardiovascular conditions restrict or contraindicate combined estrogen-containing methods. These considerations are assessed in the counseling visit to ensure the chosen method is safe for your health profile.
No online comparison replaces a clinical conversation that takes your full health history, your reproductive goals, and your lifestyle into account. This guide provides context. The contraceptive counseling visit at Lapeer Women’s Health provides the individualized recommendation that this context leads to.
Dr. Ramona D. Andrei and the team are here for that conversation — at both our Lapeer and Rochester Hills offices, without a referral required.
Our team at Lapeer Women’s Health provides individualized contraceptive counseling at both our Lapeer and Rochester Hills offices. No referral required.
Schedule a Gynecologic VisitEducational purposes only. Not medical advice. Content reviewed by Dr. Ramona D. Andrei, MD PhD FACOG.
Gynecologic care for women of every age
Lapeer Women’s Health — Rochester Hills
2710 S Rochester Rd, Suite 2
Rochester Hills, MI 48307
Serving patients in Lapeer, Rochester Hills, and surrounding communities throughout Southeast Michigan.
