There is no single best birth control. The right method depends on how much effort you want to put into it, whether you want hormones, how long you need protection, and your personal health profile. What the evidence does make clear is that the methods requiring the least day-to-day effort are dramatically more effective in real life. A contraceptive implant or IUD prevents pregnancy more than 99% of the time, while the pill drops to about 91% with typical use because missed doses add up.
That gap between “perfect use” and “typical use” is the most important number to understand when choosing a method. Here’s how the options actually compare.
Why “Typical Use” Matters More Than “Perfect Use”
Almost every hormonal method is over 99% effective if you use it flawlessly. But people aren’t flawless. They forget pills, pick up prescriptions late, or store patches incorrectly. Typical use rates reflect what happens in real life over a full year, and the differences are significant.
Methods you don’t have to think about after they’re placed, like the implant and IUDs, maintain their over 99% effectiveness in typical use because there’s nothing to forget. The pill, patch, and vaginal ring all drop to around 91%. Condoms fall to 82%. Natural family planning (tracking fertility windows) sits at roughly 76%. The more a method depends on you doing something correctly every time, the wider the gap between its theoretical performance and its real-world performance.
Long-Acting Methods: Set It and Forget It
Long-acting reversible contraceptives, commonly called LARCs, are the most effective reversible options available. They include the implant and several types of IUDs, and they all work for years at a time with no daily maintenance.
The contraceptive implant (Nexplanon) is a small rod inserted under the skin of your upper arm. It releases a hormone that prevents ovulation and is FDA-approved for 3 years. The hormonal IUD (Mirena) lasts up to 7 years, while the smaller Kyleena lasts up to 5. Both sit inside the uterus and release a low dose of hormone locally, which means less of it circulates through your body compared to the pill.
The copper IUD (Paragard) is the most effective non-hormonal option available. It’s FDA-approved for 10 years and works by creating an environment in the uterus that’s hostile to sperm. Fewer than 1 in 100 women get pregnant in a year of use. If you want long-lasting protection without any hormones, this is the strongest choice.
All LARCs are fully reversible. A Boston University study published in The BMJ found that fertility returns quickly after removal: women who used hormonal or copper IUDs and implants typically resumed normal fertility within about two menstrual cycles.
The Pill, Patch, and Ring
These are the most commonly used hormonal methods, and they all hover around 91% effectiveness with typical use. The combined pill, the progestogen-only pill, the patch (worn on the skin and changed weekly), and the vaginal ring (inserted monthly) all require consistent, timely use to work well.
Combined pills contain both estrogen and progestin. They can reduce acne (four brands are FDA-approved specifically for acne treatment), lighten periods, and ease cramps. The progestogen-only “mini pill” skips estrogen entirely, which matters for people who can’t safely take estrogen.
One newer option doesn’t require a prescription at all. Opill, a progestin-only pill, has been available over the counter since March 2024 to people of all ages. It costs about $20 for a one-month supply or $50 for three months. It’s a solid option if getting to a doctor is a barrier, though it carries the same 91% typical-use effectiveness as other oral contraceptives.
If you stop taking the pill, expect fertility to return within about three menstrual cycles. Patch users typically see a return in about four cycles.
The Injection
The contraceptive shot (Depo-Provera) is given every three months and is over 99% effective with perfect use, but drops to 94% with typical use because people sometimes delay their next appointment. Its side effect profile is distinct from other hormonal methods: irregular bleeding, missed periods, and weight gain are all commonly reported. It also has the longest delay in fertility return of any reversible method. After stopping, it takes five to eight menstrual cycles on average before normal fertility resumes.
Barrier Methods and Non-Hormonal Gels
Condoms are the only birth control method that also protects against sexually transmitted infections, which gives them a role no other method can fill. Their 82% typical-use rate for pregnancy prevention is lower than hormonal options, but combining condoms with another method covers both pregnancy and STI risk.
Internal (female) condoms are slightly less effective at 79% with typical use. Diaphragms and cervical caps, used with spermicide, fall in the 92 to 96% range with perfect use, though real-world data on typical use is limited.
Phexxi is a non-hormonal contraceptive gel applied before sex. It works by keeping the vagina acidic, which immobilizes sperm and coats the cervix. Its typical-use effectiveness is 86%, meaning about 14 out of 100 women using it will become pregnant in a year. It’s best suited as an option for people who want on-demand, hormone-free protection and are comfortable with a higher failure rate than LARCs or pills.
Who Should Avoid Combined Hormonal Methods
Combined hormonal contraceptives (the combined pill, patch, and ring) contain estrogen, which carries specific cardiovascular risks for certain people. The CDC’s 2024 medical eligibility criteria draw clear lines. If you’re 35 or older and smoke 15 or more cigarettes a day, combined methods are considered unsafe due to the risk of heart attack and stroke. If you’re 35 or older and smoke fewer than 15 cigarettes a day, combined methods are generally not recommended unless better options aren’t available. People who experience migraines with aura are also flagged for increased stroke risk with estrogen-containing methods.
For anyone in these groups, progestin-only options (the mini pill, implant, hormonal IUD, or injection) and non-hormonal methods (copper IUD, condoms, Phexxi) remain available.
Permanent Options
If you’re certain you don’t want children in the future, sterilization offers the lowest long-term failure rates of any method. Vasectomy is the most reliable: failure rates are just 0.03 to 0.05%, it’s done through a small opening with no scalpel, and recovery is fast. Tubal ligation for women has a failure rate of about 1% over 10 years, with slightly higher rates (2 to 3%) when clips or bands are used. Complete removal of both fallopian tubes (bilateral salpingectomy) makes pregnancy exceedingly rare.
Vasectomy is generally lower-risk, lower-cost, and more effective than tubal ligation. Both are intended to be permanent, though vasectomy reversal is sometimes possible.
How to Choose
Start with the question that matters most to you. If maximum effectiveness with minimal effort is the priority, a LARC (implant or IUD) is the strongest option. If avoiding hormones matters, the copper IUD is far more effective than other non-hormonal choices. If you want something you control on your own schedule, the pill, patch, or ring gives you that flexibility at the cost of some real-world effectiveness. If you need STI protection, condoms are essential regardless of what else you use.
Consider side effects you care about. Hormonal methods can affect bleeding patterns, and the injection is more likely to cause weight gain and prolonged irregular bleeding than the pill. If you want secondary benefits like clearer skin or lighter periods, a combined pill may pull double duty. If you want the fastest return to fertility after stopping, IUDs and implants have the edge at roughly two cycles.
The “best” birth control is the one you’ll actually use consistently, that fits your health profile, and that matches how much daily effort you’re willing to invest. For most people, that means seriously considering a LARC first, then working outward from there based on personal preferences.