Snapshot A 21-year-old woman presents to her primary care physician for contraceptive options. She is currently sexually active with one man and consistently use condoms. During one episode of intercourse approximately 2 months ago, the condom tore but did not result in her becoming pregnant. She is looking for a reversible form of contraception, but hopes to become pregnant in 6-7 years. After presenting her with various contraceptive options, she agrees to receive the levonorgestrel intrauterine device. Introduction Mechanism of action cervical mucus thickening suppresses ovulation ↓ endometrial proliferation ↑ maturity/vascularization of endometrium Clinical use hormone contraception can be in the form of a pill, implant device, depot injection, and intrauterine device abnormal uterine bleeding due to hormonal imbalances to treat pain due to endometriosis secondary amenorrhea causes may be due to functional hypothalamic amenorrhea endometrial cancer Toxicity amenorrhea menstrual bleeding