Keep condoms fresh o avoid ripping condoms when

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Keep condoms fresh oAvoid ripping condoms when taking out of package oUse lubricated condoms or water-based lubricant (not Vaseline) oPinch end of condom to leave room for ejaculate, especially if condom doesn’t have nipple at the endoMake sure to unroll the condom in the right direction Study: condom use among female commercial sex workers in Nevada’s legal brothels oCondoms were used every act of vaginal intercourse with client oFindings are among the lowest breakage and slippage rates published oConcludes that regular condom use can lead to condom mastery and techniques to reduce likelihood of breakage/slippage Condoms come in many sizes oMany men prefer looser condoms for sensation oMany men put saliva or lubricant on glans when using condom for sensation Condoms come in latex, synthetic, animal membrane oAnimal ones do not prevent STIs Barrier Methods of Contraception for the Female Long history of vaginal barrier methods, including Egyptian papyrus hollowed out lemon
Diaphragm: latex or silicone barrier placed in vagina over cervix before intercourse oCervix side filled with spermicidal cream oUse contraceptive foam for additional intercourse oPrevents ascent of sperm into uterus and fallopian tubes oShould be left in place for 8 hours after sex oFitted by a physician Cervical caps: FemCap, Lea’s Shield, Contraceptive spongeoPhysical and chemical barrier oEffectiveness: 80% Female condom: polyurethane sheath inserted like diaphragm o80% effective o$2-4 per condom oSTI prevention o‘Noisy’ and spontaneity issuesIntrauterine Device/System (IUD/IUS): Mirena oHistory of use in camel caravans oCopper or progesterone bearing device inserted through cervix into uterus oPrevents fertilization of egg, thins endometrium, thickens cervical mucus o99% effective oLasts 5 years or more oIf pregnancy occurs, it will likely be ectopic, but otherwise no increase in risk Combined Hormonal Methods for the Female Oral contraceptive pill: 21, 28, 84 (daily) oEstrogen: pill keeps levels high, FSH levels low, no ovulation oProgesterone: pill keeps cervical mucus thick, endometrium thin oPerfect-user effectiveness: 100% oNot linked with mood change or weight gain Contraceptive patch: Evra (weekly) Contraceptive ring: Nuvaring (monthly) Contraceptive injection: Depo Provera (3 monthly) Fertility Awareness Methods: Calendar method: ovulation occurs 14 days before menstruation oIn a cycle that is 28 days long, ovulation would occur between days 13-15 oAdd 3 days before that interval (to account for previously deposited sperm) oAdd 2 days after that interval (to account for long-living eggs) oAbstain from day 10-17 of cycle oIf cycle is not perfectly regular, keep cycle record for 6 months-1 year Calculate length of shortest and longest cycles If cycle varies from 26-30 days, abstain from day 8-19
Basal body temperature method: take temperature first think in morning oTemperature usually drops on day of ovulation, rises next day o

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