A.) Combined hormonal birth control pill
B.) Hormonal transdermal patch
C.) Vaginal ring
D.) DMPA Injection
Answer and Rationale: D. IUDs have the highest efficacy, but injectable DMPA is the most effective at preventing unwanted pregnancy among the listed methods.
A.) LNG/EE oral contraceptive
B.) Norelgestromin/EE patch
C.) Etonogestrel/EE vaginal ring
D.) Etonogestrel Implant
Answer and Rationale: D. CHCs are contraindicated less than 30 days postpartum due to the increased risk of VTE. Only the progestin-only implant is appropriate from the answer choices above.
A.) COC
B.) Progestin-only mini pill
C.) Copper IUD
D.) DMPA
Answer and Rationale: C. Active breast cancer is a class IV indication for all therapies except for a copper IUD.
A.) Rifampin
B.) Phenytoin
C.) Efaviranez
D.) All of the above
Answer and Rationale: D. All of the above therapies can alter hormone levels, possibly resulting in treatment failure.