Human error is the most important variable when evaluating effectiveness.
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Q5: Continuous abstinence is a method of contraception
Q6: Vasectomies have a lower failure rate than
Q7: The contraceptive or vaginal ring delivers hormones
Q8: Vaginal spermicides provide protection against STIs.
Q9: While spermicides can be used alone,they are
Q11: Regular breastfeeding is a more effective form
Q12: Femcap and Lea's shield are examples of
Q13: The withdrawal method is one of the
Q14: Intrauterine devices reduce the risk of pregnancy
Q15: Cervical barrier methods of contraception protects against
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