With no missed pills, "perfect use", the failure rate is 0.
3%=>99% effective.In typical use, because taking a pill every d without ever missing is hard, about 9/100 couples will get pregnant/year. If you have a hard time remembering daily meds, ask your doctor about long-acting reversible contraception
(larc)--iuds or an implant
under the skin-easy, very effective, lasts 3-10 yrs.