12.4k views
3 votes
Which birth control method is LEAST effective in preventing pregnancy?

a. hormone injections
b. spermicides
c. condoms
d. the pill

User Jeff Finn
by
7.9k points

1 Answer

2 votes
Spermicide is the least effective compared to the other methods, who all have their effectiveness rates in the 90% range while spermicide is only in the 80% range.
User Rosendo
by
9.2k points
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