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Contraception. Four Types of Contraception. Barrier – stops sperm from entering uterus Chemical – stops a woman from ovulating, or kills sperm Permanent – surgically alter the body to prevent pregnancy Natural – does not use artificial ways to prevent pregnancy; uses knowledge of human body.
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Four Types of Contraception • Barrier – stops sperm from entering uterus • Chemical – stops a woman from ovulating, or kills sperm • Permanent – surgically alter the body to prevent pregnancy • Natural – does not use artificial ways to prevent pregnancy; uses knowledge of human body
Condoms • Barrier • Only effective way to prevent STIs • 85% effective • Both male and female products • Easy access to products • Use once
Diaphragm • Barrier • 85% effective • Female inserts into vagina • Should add spermacide • Remove after 6 hours
Cervical Cap • Barrier • 85% effective • Female inserts into vagina • Fitted by doctor • Should use spermacide • Remove after 8 hours • Similar to Diaphragm
Sponge • Barrier • 85% effective • Female inserts into vagina • Contains spermacide • Easy to access product • Good for 24 hours
Spermacide • Chemical • 70% Effective • Woman sprays foam or gel into vagina • Traps and kills sperm • Use with other methods
Birth Control Pill • Chemical • **99% Effective • Female takes 1 pill/day • Uses hormones estrogen and progesterone to stop ovulation.
Depo – Provera • Chemical • 99% Effective • Shot of progesterone in the arm, thigh, or buttocks • Good for 3 months • Lunelle similar – good for 1 month
Norplant • Chemical • 99% Effective • Inserted under skin inside arm • Releases progesterone to stop ovulation • Good for 5 years • Must be surgically removed to become pregnant
Nuva Ring • Chemical • Ring inserted into vagina • Releases estrogen and progesterone to stop ovulation • Good for one month
IUD – Intrauterine Device • Chemical • 99% effective • T-shaped device inserted into uterus • Made of copper or plastic • Releases progesterone to stop ovulation • Changes uterine lining • Not recommended for woman with no children
Permanent Methods • Tubal Ligation – Fallopian Tubes cut and tied • Prevents eggs from reaching uterus • Vasectomy – Vas Deferens cut • Sperm cannot combine with Semen – makes travel difficult
Natural Methods • Rhythm – abstain from sex during ovulation • 75% • Woman must be committed and know body signs of fertility • Woman must have regular menstrual cycles • Withdrawal – penis is removed before ejaculation • 75% • takes control • some sperm may be released before ejaculation