Question

What is the least effective form of birth control?
Group of answer choices

condom

pill

spermicidal jelly

Answer 1

Spermicidal jelly. It’s the least effective of the three — spermicide alone has a much higher typical-use failure rate (roughly 15–28% per year) than condoms (~13–15% typical-use failure) or combined oral contraceptives (~7–9% typical-use failure). Spermicide is most effective when used with a barrier method.