Failure rates for contraception are surprisingly high, even if you are using it responsibility. 1% is common, but that's not even over a person's lifetime, that

Failure rates for contraception are surprisingly high, even if you are using it responsibility. 1% is common, but that's not even over a person's lifetime, that's PER YEAR. That make lifetime failure rate more like 20%. On top of that some people can't tolerate the most effective hormonal birth control methods methods.