The following table compares various methods of hormonal birth control for women. Fill in each blank with the appropriate information
Method How is it used? Be specific on timing issues! What hormones does it contain? Oral contraception (combination birth control pills) 21 days of active pills followed by 7 days off Estrogen and progesterone DepoProvera injection Implanon Ortho Evra (patch) NuvaRing In general, how do all these methods work to prevent pregnancy? Be detailed, and include all the relevant hormones.
Method How is it used? Be specific on timing issues! What hormones does it contain?
Oral contraception (combination birth control pills) 21 days of active pills followed by 7 days off Estrogen and progesterone
DepoProvera injection An injection that lasts 3 months Progesterone
Implanon Surgically implanted capsules that last years Progesterone
Ortho Evra (patch) Place a patch on the skin for a week, replace for a second week, replace for a third week, and wear no patch on the fourth week Estrogen and progesterone
NuvaRing Insert ring in vagina near the cervix for 21 days, then remove for 7 days Estrogen and progesterone
Methods involving estrogen and progesterone prevent maturation and ovulation of eggs. Progesterone-only methods may prevent ovulation; these methods also thicken cervical mucus and make the endometrium unsuitable for implantation.
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