Contraception for the Next Generation
Transcription
Contraception for the Next Generation
Jenni Keehbauch, MD I wish to thank Ann Klega for her Contributions After the mother leaves the room, she asks for a prescription for birth control. Can you prescribe it without her mother’s knowledge? Contraception can be given without parental consent if the minor is… Married Ever been pregnant May suffer from probable health hazard if contraception not given Florida Statute 381.0051 Family Planning Condoms: 2-12% COCs: 0.3-9% Better compliance with patch or vaginal ring Injections: .2-6% Female sterilization: 0.5% LNG-IUD: 0.2% Nexplanon: 0.2% Used with permission from Dr. G. Lamvu Hormones decrease production of testosterone Stop sperm production through the pituitary and hypothalamus No male hormonal contraceptive is ready for clinical use The Cochrane Library 2010 Issue 1. Chichester, UK: John Wiley and Sons, Ltd a. Ortho Novum 1/35, 4 tabs q 12 X 2 b. Levonorgestrel 0.75 mg, 2 tab x 1 (Plan B) c. Alesse 5 pills PO q 12 hr x 2 d. All of the above e. None, too late Lancet. 2002;360(9348):1803-10 Use after implantation does not interrupt an established pregnancy Next Choice - two levonorgestrel 0.75-mg tablets taken 12 hours apart or as a 1.5-mg Plan B One Step - levonorgestrel 1.5mg tablet taken once Ella - one ulipristal acetate 30-mg tab Copper IUD – most effective Contraceptive failure (condom broke/fell off/never came out of wallet) Missed doses of COC 3 doses of 30-35mcg, 2 doses of 20-25mcg POP taken more than 3 hours late More than 2 weeks late for depo Sexual assault What are her options? Contraceptive Methods Oral Contraceptives Combined oral contraceptives Extended use Continuous Progesterone only Alternatives to Oral NuvaRing Ortho Evra Depo-Provera Implanon Mirena Ethinyl Estradiol (EE) Dose < 20 mcg 25 – 35 mcg 50 mcg Ultra Low Low High Minimizing Estrogen Side Effects Enhancing Cycle Control • Breast Tenderness •Nausea •Vascular risk •BTB/BTS •Amenorrhea Estrogen Dose 1st Generation Norethindrone 2nd Generation Norgesterel Levonorgesterel 3rd Generation 4th Generation Desogesterel, Norgestimate Drospirenone More androgenic More progestational More progestational Higher thrombosis Anti-mineralcorticoid Higher thrombosis Minimizing Progesterone Side Effects Enhancing Cycle Control • Weight gain •Fatigue •Breast tenderness •Mood changes •Reduction in bleeding •Decreased dysmenorrhea Progesterone Dose Pr eg na nc y e C se rs C O U D ro sp er in on N on 12 10 8 6 4 2 0 DVT Risk Minimizing Androgen Side Effects Improving quality of life • Acne/Hirsutism •Weight gain •Lipid effects •Libido More Progestational More Estrogen Androgen Dose Prevention of Ovarian and Endometrial Cancer Decreased benign breast disease Decreased ectopics Improved androgen symptoms Increased bone mass Menstrual benefits Regulates cycles Less blood loss Less dysmenorrhea Less PMS All COCs increase SHBG and decrease testosterone resulting in less acne and hirsutism Cochrane Database of Systematic Reviews 2009, Issue 3. Art. No.: CD004425 Decreased risk of endometrial cancer with as little as 3 months of use and decreased risk by 60% after 5 years Decreased risk of ovarian cancer by 60% after 2 yrs Protection remains for 15 years after cessation of OCP’s Must be taken daily Does not protect from STD’s Increased Chlamydial infection Risk of arterial vascular disease/DVT desogestrel or gestodene have a 2X greater risk Increased risk of breast and cervical cancer Assuming 5 year usage of OCP’s in 100,000 women 20% increased risk for breast and cervical cancer (screened cancers) 50% decreased risk in ovarian and endometrial cancer (non-screened cancers) There would be 44 fewer cancers diagnosed BMJ 2009;339:b2895 Category 1 - No restrictions in use Category 2 - Advantages generally outweigh concerns Category 3 - Exercise caution and monitor for adverse effects Category 4 - Refrain from using Available online http://www.cdc.gov/reproductivehealth/unintendedpr egnancy/usmec.htm#a http://www.who.int/reproductivehealth/publications/f amily_planning/mec_mobile_app/en/ App: (iphone) CDC US Medical Eligibility Criteria for Contracpetive use 2010 Free http://www.cdc.gov/reproductivehealth/unintendedpregna ncy/usmec.htm http://www.cdc.gov/reproductivehealth/unintendedpregnancy/usmec.htm#a History DVT/PE Hypercoaguable HTN> 160/100 Major surgery Breast Cancer CAD/CVD Postpartum <3wk Migraines with aura Servere cirrhosis Diabetes w/ microvascular dz Over 35 and >15 cigs Post-partum < 30 days if breastfeeding or risk for VTE Undiagnosed abnormal uterine bleeding > 35 years old and light smoker Hypertension Gallbladder disease Migraine and age >35 Taking Meds that effect liver enzymes: rifampin, griseofulvin, anti-convulsants, St John’s Wort, barbituates... Over 100 options Focus on a few that you know really well No clear rationale to use Biphasic or Triphasic COC Cochrane Database of Systematic Reviews 2006, Issue 3. Art. No.: CD003553 Cochrane Database of Systematic Reviews 2006, Issue 3. Art. No.: CD002032. COMPARISON OF ORAL CONTRACEPTIVES Reference Drugs Estrogen ULTRA LOW-DOSE MONOPHASIC PILLS EE 20 mcg Alesse Loestrin 1/20 EE 20 mcg Progestin Levonorgestrel (LNG) 0.1 mg High progesterone, medium androgen Minimize estrogen side-effects: nausea, bloating, nausea Good for dysmenorrhea Increased risk of DVT with desogestrel over other progestins. Low androgen, high progesterone Good for dysmenorrhea/acne Drospirenone 3 mg Antimineralocorticoid activity. May decrease cyclic fluid retention. Not high enough levels of anti-mineralcorticoid for PCOS treatment Can increase potassium. High Androgen/High progesterone; May increase libido Good for dysmenorrhea Norethindrone Desogen EE 30 mcg Low estrogen, progesterone Good choice to minimize risk of estrogen side effects like nausea, breast tenderness headache, etc. Decreased hormonal risk: CAD, CVA, etc LOW-DOSE MONOPHASIC PILLS <35 mcg EE 30 mcg Desogestrel 0.15 mg Ortho – Cept Yasmin Comments Loestrin Fe 1.5/30 EE 30 mcg Norethindrone Sprintec EE 35 mcg Norgestimate 0.25 mg CHEAP Low progestin, low androgen Good choice to minimize spotting and/or BTB and minimize androgenic effects. Medium estrogen good for ovarian cyst suppression Demulen 1/35 EE 35 mcg Ethynodiol diacetate High progesterone, low androgen Ovcon-35 EE 35 mcg Norethindrone 0.4 Medium estrogen, low progesterone, low androgen Better lipid profile with higher estrogen/progesterone ratio Necon 0.5/35 EE 35 mcg Norethindrone 0.5 Medium estrogen, low progesterone, low androgen Nordette EE 30 mcg LNG 0.15 mg High androgen, May increase libido Ortho-Cyclen Traditional Start / Sunday Start Quick Start First Day Start •Start 1st Sunday after menstruation begins •Start on day Rx given , regardless of where in cycle, if preg reasonably excluded •Start on first day of next menstruation •Avoids withdraw bleeding on weekend •Requires 7 days back up contraception if >5 days after menstruation begins •Increased compliance •Maximum contraceptive effect •Requires 7 days back up contraception if >5 days after menstruation begins •No back up needed No signs/symptoms of pregnancy and meets any of the following: <8 days after start of nl menses No intercourse since start of last menses Correctly and consistently using reliable method of contraception <8 days after induced or spontaneous abortion Within 4 weeks postpartum Fully or nearly fully (>85%) breastfeeding, amenorrheic, and < 6 months post partum US SPR, June 21,2013, Vol. 62, No. 5 Use an OCP with higher Progesterone to stabilize the endometrium Loestrin 1.5/30 Desogen Ortho-Cept Demulen 1/35 Most ocps incresase SHBG thus decrease circulating free testosterone. Levonorgesterol and norgesterol due not increase SHBG, and may be more androgenic Use an OCP with Low Estrogenic/Progesterone activity Examples Alesse Try progestins with the most potent androgenic activity Desogestrel Levonorgestrel Any may provide a placebo effect Change to contraceptive with Low estrogen/progesterone Alesse Change to progesterone only contraceptive Avoid triphasics/biphasics Change to Extended or Continuous Cycle Most studies suggest that use of extendedcycle contraceptives results in fewer menstrual symptoms such as headache, bloating and menstrual pain Cochrane Database Syst Rev 2005; 20 (3):CD004695. Avoid COC’s in patients with Aura or focal neurological signs (WHO 4) Avoid starting in women with migraines >/= 35 (WHO 3) 20 mcg ethinyl estradiol/ 150 mcg norelgestromin per day Transdermal: 3 wks on 1 off Failure rate: 1-2% perfect use Cost: $45 per month Advantage Disadvantage Ease of use Site reaction (20%) No daily Increased DVT risk and management Better adherence hormonal side effects Weight limit (<198#) 15 mcg ethinyl estradiol/ 120mcg etonorgestrel Vaginal ring placed for 3 weeks removed for 1 Less side-effects than COCs Failure: 1-2% perfect use Cost: $25-35 Advantage Low dose estrogen No sizing needed Inserted and removed by user Disadvantage May feel during intercourse: remove and replace within 3 hours May increase leukorrhea Disadvantages Not immediately reversible Decrease in bone mineral density (LOE 3) Weight gain, worsening depression, acne No STI protection Obstet Gynecol 2009;114:279-284. Etonogestrel (progestin only) Subdermal rod 3 years Cost: $500 (prior approval with insurance needed) Advantages Contraception within 24 hrs Ovulation resumes within 3 weeks of discontinuing Great for nulliparous Disadvantages Increased DVT risk Irregular bleeding (20%) Headache Weight gain, acne Norplant 6 capsule implanted in upper arm Effective for 5yrs Produced in US 1991-2002 (some availability until 2004) Removal complication rate of 6-7% Levonorgestrel (progesterone only) Primarily inhibits fertilization Also thickens mucus, slows transport, inhibits capacitation and decreases ovulation Failure: 0.1% Cost: $650 Longterm, but reversable Reduction in dysmenorrhea and menstrual bleeding (70-90%) Can be used in treatment of endometrial hyperplasia May avoid surgery1 May decrease the risk of PID 1. BJOG.2001;108(1):74-86 Spotting for up to 3-6 mos Expulsion (2-10%) Perforation 1:1000 PID risk immediately after insertion STI (trichomonas) Inflammatory paps Uterine anomaly Active pelvic infection (PID) or STD in last 3 months Pregnancy Abnormal uterine bleeding that has not been evaluated Current GYN cancer Gestational Trophoblastic Disease (GTD) US Selected Practice Recommendations for Contraceptive Use, 2013 WHO Selected Practice Recommendations for Contraceptive Use, 2nd Ed. US Medical Eligibility Criteria for Contraceptive Use, 2010