For which of the following methods of contraception is the difference between the perfect-use and typical-use effectiveness rates the lowest?
a) condoms
b) fertility awareness methods
c) the pill
d) the IUD
ANS: D, Methods that require effort and attention on the part of the user, such as condoms, the pill, and fertility awareness, have higher failure rates than the IUD or surgical methods.
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Fill in the blank(s) with correct word
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FIll in the blank with correct word.