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Chapter 63. Contraception

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?

a. She should take two tablets today as soon as possible, no backup method is needed.

b. She should start taking her tablets as scheduled and use a backup method for the next 48 hours.

c. She should take two tablets today as soon as possible and use a backup method until she gets her period.

d. She should start taking her tablets as scheduled and use a backup method until she gets her period.

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.

Answer a is incorrect. Since this is a progestin-only oral contraceptive, its mechanism of action is very dependent on the timing of administration.

Answer c is incorrect. She does not need to use a backup method until her next period or double up on pills.

Answer d is incorrect. She does not need to use a backup method until her next period.

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.

a. EC will not be effective for AC because it has been longer than 24 hours since she has had unprotected sex.

b. EC will not be effective for AC because it has been longer than 48 hours since she has had unprotected sex.

c. EC cannot be provided to AC without a prescription from her doctor.

d. EC may still work for AC because it is still within 72 hours since she has had unprotected sex.

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.

Answer d is correct. EC is effective for up to 120 hours after unprotected intercourse.

Answer a is incorrect. EC is effective for up to 120 hours after ...

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