Contraceptives And Sterilization Flashcards
Two general mechanisms of action for contraceptives?
Inhibit formation and release of egg
Impose a mechanism, chemical, or temporal barrier between sperm and egg
What is an advantage to using hormonal contraceptives?
Provide the most effective reversible contraception
6 types of hormonal contraceptives?
Oral Injectable IUD Patch Ring Implantable
Mechanism of action for an oral?
Inhibits GnRH and FSH and LH
What three things does progesterone do in the oral pill?
Stop LH from leading to ovulation
Inhabiting sperm migration because all of the mucus it produces
Results in atrophic endometrium so bad implantation site
What does the estrogen do in the oral pill?
Cycle control
What is the MOA of using the progestin only pill and in what 2 patients do we use these in usually?
Making cervical mucus thick and not easily penetrated
Breast feeding moms and contraindicated estrogen ladies
4 benefits of oral contraceptives?
Period regularity
Improve painful periods
Lower iron deficiency anemia
Lower endometrial and ovarian cancer, benign breast and ovarian disease
Most common side effect with oral contraceptives?
Breakthrough bleeding
5 serious side effects of oral contraceptives?
DVT, PE, gallbladder, stoke and MI, and hepatic tumors
What patient population can the patch not be used in, and what is the increased risk of the patch vs. the oral?
Can’t use it in women over 198 pounds
Greater risk of thrombosis
What is a benefit of the vaginal ring?
Better tolerance and less breakthrough bleeding
What women cannot use combo contraceptive therapy?
Women over 35 who smoke
Women with personal history of thromboembolic event
Women with history of CAD, CVD, CHF, uncontrolled HTN, or migraine with aura
Women with moderate to severe liver disease
What is the mechanism of action for injectable?
Thicken Cervical mucosa, thinning fo endometrium and blocks LH surge and ovulation.
What is the black box warning for the injectable, depo?
Bone problems, so discontinue use after 2 years