Comparison of birth control methods: Difference between revisions

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Actual failure rates are higher than perfect-use rates for a variety of reasons:
* mistakesMistakes on the part of those providing instructions on how to use the method.
* mistakesMistakes on the part of the method's users.
* consciousConscious user non-compliance with the method.
* insuranceInsurance providers sometimes impede access to medications (e.g. require prescription refills monthly)<ref>{{cite journal | vauthors = Trussell J, Wynn LL | title = Reducing unintended pregnancy in the United States | journal = Contraception | volume = 77 | issue = 1 | pages = 1–5 | date = January 2008 | pmid = 18082659 | doi = 10.1016/j.contraception.2007.09.001 }}</ref>
 
For instance, someone using oral forms of hormonal birth control might be given incorrect information by a health care provider as to the frequency of intake, or for some reason does not take the pill one or several days, or not go to the pharmacy on time to renew the prescription, or the pharmacy might be unwilling to provide enough pills to cover an extended absence.
 
==Effectiveness==