Contraceptives Flashcards
Combined Oral Contraceptives: Common Drugs
Ethinyl estradiol/norethindrone (Ortho-Novum), ethinyl estradiol/levonorgestrel (Seasonique)
Combined Oral Contraceptives: Mechanism of Action
Inhibits ovulation by suppressing gonadotropins, thickens cervical mucus, alters endometrial lining.
Combined Oral Contraceptives: Contraindications
History of thromboembolic disorders, stroke, estrogen-dependent tumors, smoking (especially over age 35).
Combined Oral Contraceptives: Safety Considerations
Take at the same time daily, monitor for signs of thrombosis (leg pain, swelling, chest pain).
Progestin-Only Contraceptives: Common Drugs
Norethindrone (Micronor), medroxyprogesterone acetate (Depo-Provera)
Progestin-Only Contraceptives: Mechanism of Action
Thickens cervical mucus, inhibits sperm penetration, may inhibit ovulation.
Progestin-Only Contraceptives: Contraindications
Undiagnosed vaginal bleeding, breast cancer, liver disease.
Progestin-Only Contraceptives: Safety Considerations
Monitor for irregular bleeding, bone density loss (Depo-Provera), use backup contraception if dose is missed.