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How Birth Control Methods Compare

Choosing a birth control method usually comes down to a handful of practical questions: How well does it work in real life? How much day-to-day effort does it take? Can you stop it whenever you want? Does it protect against sexually transmitted infections (STIs)? And how much clinician involvement does it require to start or continue?

This guide organizes major contraceptive methods around those five factors, using typical-use effectiveness data and method descriptions from the CDC. Typical-use failure rates reflect how methods perform with normal, real-world use, including occasional missed doses or inconsistent use — not perfect, ideal use.

This article is educational. It does not tell you which method to choose. The right method depends on your health history, values, and goals, and should be worked out with a qualified clinician.

Reversible Methods, Organized by Category

Intrauterine Contraception (IUDs)

Levonorgestrel IUD (LNG IUD): A small T-shaped device placed in the uterus by a clinician. It releases progestin and can stay in place for 3 to 8 years, depending on the device. Typical-use failure rate: 0.1–0.4%.
Copper IUD: A hormone-free T-shaped device placed by a clinician. It can remain in place for up to 10 years. Typical-use failure rate: 0.8%.
User action: Minimal after placement; no daily action required.
Reversibility: Reversible; fertility can return after removal by a clinician.
STI protection: None.
Clinician involvement: Required for insertion and removal.

Hormonal Methods

Implant: A single thin rod inserted under the skin of the upper arm, releasing progestin for up to 3 years. Typical-use failure rate: 0.1%.
Injection (“the shot”): A progestin injection given every three months, either self-administered or given by a clinician. Typical-use failure rate: 4%.
Combined oral contraceptives (“the pill”): Contains estrogen and progestin; taken at the same time daily. People over 35 who smoke, or who have a history of blood clots or breast cancer, may be advised against this method. Typical-use failure rate: 7%.
Progestin-only pill (“mini-pill”): Contains only progestin; taken at the same time daily. May be an option for those who cannot take estrogen. Typical-use failure rate: 7%.
Patch: Worn on the lower abdomen, buttocks, or upper body; releases progestin and estrogen. A new patch is applied weekly for three weeks, with a patch-free fourth week. Typical-use failure rate: 7%.
Vaginal ring: Releases progestin and estrogen; worn for three weeks, then removed for a week before a new ring is inserted. Typical-use failure rate: 7%.
User action: Ranges from daily (pill) to weekly (patch) to every three weeks (ring) to every three months (shot) to none between clinician visits (implant).
Reversibility: Reversible; fertility typically returns after stopping, though the injection may involve a longer return to fertility than other hormonal methods.
STI protection: None.
Clinician involvement: A prescription is required for all methods in this category; the implant requires clinician insertion and removal, and the shot can be given by a clinician or self-injected.

Barrier Methods

Diaphragm or cervical cap: Inserted in the vagina with spermicide before intercourse; prescribed by a clinician. Typical-use failure rate: 17% (diaphragm); 22% (cervical cap).
Contraceptive sponge: Contains spermicide and fits over the cervix; left in place at least 6 hours after intercourse. Typical-use failure rate: 17%.
External (male) condom: Available over the counter. Latex condoms also help reduce the risk of HIV and other STIs; natural or lambskin condoms do not provide the same STI protection. Typical-use failure rate: 13%.
Internal (female) condom: Available over the counter; can be inserted up to 8 hours before intercourse and may help reduce STI risk. Typical-use failure rate: 21%.
Spermicides: Available in foam, gel, cream, film, suppository, or tablet form; can be used over the counter or combined with other barrier methods. Typical-use failure rate: 21%.
User action: Required with every act of intercourse.
Reversibility: Fully reversible; effects are not systemic.
STI protection: Latex external condoms help reduce HIV and STI risk; internal condoms may offer some protection. The diaphragm, cervical cap, sponge, and spermicides do not protect against STIs.
Clinician involvement: A prescription or fitting is required for the diaphragm and cervical cap; condoms, the sponge, and spermicides are available over the counter.

Fertility Awareness-Based Methods

How it works: Tracking your fertility pattern — the days you’re fertile, infertile, or possibly fertile — to avoid sex or use a barrier method on fertile days. A person with a regular cycle typically has about nine or more fertile days per month. Typical-use failure rates range from 2% to 23% depending on the specific method used.
User action: Ongoing daily tracking and behavior changes around fertile days.
Reversibility: Fully reversible; no hormonal or physical intervention involved.
STI protection: None.
Clinician involvement: Not required to begin, though education or counseling on correct use can improve effectiveness.

Lactational Amenorrhea Method (LAM)

How it works: Breastfeeding can serve as temporary birth control when three conditions are all met: no menstrual periods since delivery, fully or nearly fully breastfeeding, and less than 6 months postpartum.
User action: Consistent breastfeeding pattern; switching to another method is needed once any of the three conditions is no longer met.
Reversibility: Temporary by design.
STI protection: None.
Clinician involvement: Not required, though guidance on transitioning to another method is recommended.

Emergency Contraception

Copper IUD: Can be inserted within 5 days of unprotected sex and then continued as ongoing birth control.
Emergency contraceptive pills: Can be taken up to 5 days after unprotected sex; effectiveness is better the sooner they’re taken. Some options are available over the counter, others by prescription.
Note: Emergency contraception is not intended as a regular, ongoing method of birth control.

Permanent Methods

Tubal surgery (“tying tubes”): The fallopian tubes are closed or cut so sperm and egg cannot meet. Typically an outpatient procedure with a short recovery. Effective immediately. Typical-use failure rate: 0.5%.
Vasectomy: A procedure that prevents sperm from reaching the ejaculate. Usually outpatient, with recovery time of less than a week. A follow-up test is needed to confirm sperm count has reached zero, which takes about 12 weeks; another method should be used until confirmed. Typical-use failure rate: 0.15%.
User action: None after recovery and confirmation.
Reversibility: Intended to be permanent. Reversal procedures exist for some cases but are not guaranteed to restore fertility, so these methods should be chosen only when a person is confident they do not want future pregnancies.
STI protection: None.
Clinician involvement: Required for the procedure and, for vasectomy, for follow-up confirmation testing.

A Key Point on STI Protection

Most contraceptive methods — including hormonal methods, IUDs, and permanent methods — do not protect against STIs, including HIV. Condoms, used consistently and correctly, help reduce STI risk and can be used alongside another method for both pregnancy prevention and STI protection. Pre-exposure prophylaxis (PrEP) can also help protect against HIV. Anyone with STI-related questions or concerns should talk with a clinician regardless of which contraceptive method they use.

Your Values-Based Worksheet

Before a clinician visit, it can help to think through what matters most to you. There’s no right combination of answers — this worksheet is meant to help you organize your own priorities and questions, not to point you toward a specific method.

Effectiveness: How important is it that the method has a very low typical-use failure rate versus a method that’s simpler to use even if less effective in typical use?
Daily involvement: Are you comfortable with a daily routine (like a pill), or would a method that requires little ongoing action (like an IUD or implant) fit your life better?
Reversibility: Do you want the option to become pregnant in the near future, later, or not at all?
STI protection: Do you need a method that also reduces STI risk, or are you and a partner already using condoms or another STI-prevention approach?
Clinician involvement: Are you comfortable with a procedure (insertion, injection, or surgery), or do you prefer an over-the-counter option?
Health history: Do you have any medical conditions — such as migraines with aura, a history of blood clots, high blood pressure, or smoking status — that you should raise with a clinician before choosing a method?
Side effects: Which potential side effects (changes in bleeding pattern, mood changes, or others) would be hardest for you to manage?

Bring your answers to a conversation with a clinician. The CDC notes that contraceptive decisions should be made voluntarily and collaboratively, with your preferences and reproductive autonomy at the center of the discussion.

Who Should Be Cautious With Certain Methods

Some health conditions can change which methods are appropriate. Conditions that may affect method eligibility include a history of blood clots or stroke, certain heart conditions, uncontrolled high blood pressure, migraines with aura, some cancers, liver disease, and smoking combined with age over 35. This list is not exhaustive. A clinician can review your personal and family health history against current medical eligibility guidance to identify methods that are appropriate for you.

Limitations of This Guide

Typical-use failure rates are population averages and don’t predict any one person’s outcome.
This guide does not cover every possible drug interaction, side effect, or contraindication.
Method availability, cost, and insurance coverage vary and are not addressed here.
This guide is not a substitute for an individualized clinical evaluation.

Frequently Asked Questions

What is the difference between “typical use” and “perfect use” effectiveness?

Perfect-use rates reflect a method used exactly as directed every time. Typical-use rates reflect real-world use, including occasional errors like a missed pill or a condom used inconsistently. Typical-use figures generally give a more realistic picture of how a method performs day to day.

Do any birth control methods also protect against STIs?

Condoms are the main contraceptive method that also helps reduce STI risk. Most other methods, including hormonal methods, IUDs, and permanent methods, do not offer STI protection, so many people combine a condom with another method when STI prevention is a priority.

Can I switch birth control methods later?

Reversible methods can generally be stopped or switched, though the process and timing vary by method — for example, an IUD or implant requires a clinician to remove it. A clinician can walk you through what switching would involve for your specific method.

Are permanent methods ever reversible?

Tubal surgery and vasectomy are intended to be permanent. Reversal procedures exist for some cases, but they are not guaranteed to restore fertility. Anyone considering a permanent method should be confident in that decision before proceeding.

Educational Disclaimer

This article is for general educational purposes only and is not a substitute for professional medical advice, diagnosis, or treatment. Effectiveness rates, eligibility, and appropriate method choice can vary based on individual health history. Always consult a qualified health care provider about your specific situation before starting, stopping, or switching a birth control method.