The copper IUD is the only hormone-free method in the top effectiveness tier: 0.8% typical-use failure, up to 10 years, zero hormones.
Below it, hormone-free options trade effectiveness for control: external condoms (13% typical failure) and internal condoms (21%), the diaphragm (17%) and cervical cap (22%) with spermicide, fertility awareness (2 to 23%, entirely discipline-dependent), spermicide alone (21%), withdrawal (about 22%), and permanent sterilization via tubal surgery (0.5%) or vasectomy (0.15%). Two notes that matter for choosing well. Only condoms also protect against STIs, so they pair with everything. And the copper IUD's side effect is menstrual: heavier flow and stronger cramps, worst early on. If hormone-free is a hard requirement and pregnancy prevention is the priority, the copper IUD is the answer; if it is a preference with flexibility, a conversation about low-dose or progestin-only options is also worth having with your clinician.
What to do
Common questions
What birth control has no hormones?
The hormone-free menu is short but real. The standout is the copper IUD: no hormones at all, 0.8% typical-use failure (better than the pill's 7%), and up to 10 years of protection once placed. It works because copper immobilizes sperm, and it can even act as emergency contraception within 5 days of unprotected sex. Its trade-off is heavier, crampier periods for many users. Everything else hormone-free asks more of you. Condoms (13% typical failure for external, 21% for internal) are the only option that also blocks STIs. The diaphragm (17%) and cervical cap (22%) are barrier methods used with spermicide, timed around sex. Fertility awareness-based methods span 2 to 23% typical failure depending on how rigorously you track. Spermicide alone fails 21%. Withdrawal fails about 22%. And sterilization, tubal surgery (0.5%) or vasectomy (0.15%), is the hormone-free permanent route. The honest hierarchy: if you want hormone-free and highly effective, the copper IUD is essentially the only answer. If you want hormone-free and non-device, you are choosing among methods that need correct use every time, and condoms belong in the picture regardless for STI protection.