Monday, 2-27-Contraception and sterilization (Wootton) Flashcards
__ contraceptives provide the most effective reversible contraception
hormona
-includes OCs, injectables, implantables, IUD, patches, rings
regarding OCs:
the __ component is the major player-suppresses LH and ovulation as well as thickening cervical mucous, inhibiting sperm migration and creating unfavorable atrophic endometrium for implantation
the __ component mainly improves cycle control by stabilizing the endometrium and allows less breaktrhough bleeding
progesterone
estrogen
MOA of progestin-only OCs? who uses them?
primarily making cervical mucous thick and impermeable
mainly used in breastfeeding women and women who have contraindication to estrogen
benefits of OCs?
- mentrual cycle regularity
- improve dysmenorrhea
- decrease risk of Fe-deficiency anemia
- lower incidence of endometrial and ovarian ca, benign breast and ovarian disease
side effects of OCs?
- breakthroug bleeding
- amenorrhea
- mild –> bloating, perceived weight gain, breast tenderness, nausea, fatigue, headache
serious side effects of OCs?
Mainly venous thomrbosis and PE
can get cholestasis and GB disease, stroke & MI, hepatic tumors
contents of the transdermal patch? side effects? caution in who?
estrogen and progesterone
same effects as OCs except GREATER RISK OF THROMBOSIS
caution with women >198 lbs
benefits of vag ring?
greater compliance d/t 1xmonth use
better tolerated since does not go through GI and less breakthrough bleeding
who cant use OCs?
- women over 35 who smoke
- women with hx of thromboembolic event
- women with hx of CAD, CVD, CHF, or migraine with aura, uncontrolled HTN
- women with moderate to severe liver disease
MOA of IM injx of Depo medroxyprogesterone acetate (Depo provera)? efficacy?
thickens cervical mucous, decidualizes endometrium, blocks LH surge and ovulation
efficacy roughly equivalent to that of sterilization and not altered by weight
black box warning of depo provera?
if used for >2 yrs, should consider alternative method d/t bone density issues (particular concern in adolescents)
side effects of depo provera?
- irregular bleeding (25% discontinue w/in 1 yr)
- WEIGHT GAIN (makes you hungry)
- EXACERBATION OF DEPRESSION
contraindications for depo provera?
- known or suspected pregnancy
- unevaluated vag bleeding
- known or suspected breast malignancy
- active thrombophlebitis
- liver dysfunction
MOA of Nexplanon?
-rod-shaped implant used for 3 yrs
MOA: thicken cervical mucous, inhibit ovulation
side ffects of nexplanon (implant)?
- irregular vag bleeding
- HEADACHE
- vaginitis
- WEIGHT GAIN
- acne
- BREAST PAIN