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Chapter 63: Contraception
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TK is a 23-year-old woman who comes to your pharmacy stating that she is taking the mini-pill and missed her dose yesterday. Based on this information, what is the best remedy in this situation?
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a. She should take two tablets today as soon as possible, no backup method is needed.
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b. She should start taking her tablets as scheduled and use a backup method for the next 48 hours.
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c. She should take two tablets today as soon as possible and use a backup method until she gets her period.
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d. She should start taking her tablets as scheduled and use a backup method until she gets her period.
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Answer b is correct. Progestin-only oral contraceptives need to be taken at the same time every day. Missing a dose by more than 3 hours of its scheduled time is considered a missed dose and may alter the effectiveness of the medication. Therefore, a backup method is required for 48 hours.
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Answer a is incorrect. Because this is a progestin-only oral contraceptive, its mechanism of action is very dependent on the timing of administration.
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Answer c is incorrect. She does not need to use a backup method until her next period or double up on pills.
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Answer d is incorrect. She does not need to use a backup method until her next period.
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AC is a 26-year-old woman who presents to the pharmacy asking to buy emergency contraceptive (Plan B One-Step) and says she had unprotected intercourse 3 days ago. Based on the information, select the best statement as it relates to EC.
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a. EC will not be effective for AC because it has been more than 24 hours since she has had unprotected sex.
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b. EC will not be effective for AC because it has been more than 48 hours since she has had unprotected sex.
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c. EC cannot be provided to AC without a prescription from her doctor.
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d. EC may still work for AC because it is still within 72 hours since she has had unprotected sex.
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e. EC may still work for AC because it is still within 120 hours since she has had unprotected sex, but she will require a prescription.
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Answer d is correct. EC is effective for up to 120 hours after unprotected intercourse.
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Answer a is incorrect. EC is effective for up to 120 hours after ...