1. Aim: What is the difference between chemical and barrier contraception? Do Now: Name 5 different kinds of contraception

2. Chemical Contraception: What is it? A type of substance that does one of the following to the body: A type of substance that does one of the following to the body: Suppresses ovulation Suppresses ovulation Thickens the cervical mucous Thickens the cervical mucous Thins the lining of the uterine wall Thins the lining of the uterine wall

3. Types of Chemical Contraceptives Birth Control Pills: Birth Control Pills: Oral pill taken daily Oral pill taken daily Contains estrogen and/or progestin Contains estrogen and/or progestin If taken correctly, can be 99% effective If taken correctly, can be 99% effective

4. Birth Control Pills Benefits Benefits Lighter menstrual cycles with less cramping Lighter menstrual cycles with less cramping Can be used to treat acne Can be used to treat acne Can be used to treat menstrual problems Can be used to treat menstrual problems Over 40 yrs of research has proven long-term safety Over 40 yrs of research has proven long-term safety Risks Does not protect against STI’s May cause nausea, breast tenderness, weight gain, and irregular spotting Not recommended for women over age 35 who smoke

5. Types of Chemical Contraceptives Injections Injections Depo-Provera Depo-Provera Given every 12 weeks Given every 12 weeks Has failure rate of less than 1% Has failure rate of less than 1% Must be given within the first 5 days of menstrual cycle Must be given within the first 5 days of menstrual cycle

6. Injection Benefits Benefits Possibility of no menstrual cycle after a year Possibility of no menstrual cycle after a year Risk of heart problems are reduced because it does not contain estrogen Risk of heart problems are reduced because it does not contain estrogen Risks Does not protect against STI’s Possibility of irregular bleeding

7. Types of Chemical Contraceptives Spermicides Spermicides Nonoxynol-9 Nonoxynol-9 Comes in creams, foams, films, and suppositories Comes in creams, foams, films, and suppositories Blocks cervix and kills sperm Blocks cervix and kills sperm

8. Spermicides Benefits Benefits Easy to purchase Easy to purchase Does not require a prescription Does not require a prescription Risks Does not protect against STI’s Can be messy May irritate penis or vagina

9. Barrier Contraception: What is it? A device that is used to physically block the sperm and egg from uniting A device that is used to physically block the sperm and egg from uniting

10. Types of Barrier Contraceptives Condom Condom Male and Female Male and Female Placed on the sex organs to prevent transmission of fluids Placed on the sex organs to prevent transmission of fluids

11. Condoms Benefits Benefits Protects against pregnancy and STI transmission Protects against pregnancy and STI transmission Cost Efficient Cost Efficient Male about $1, female about $4 Male about $1, female about $4 Easy to get Easy to get Female condom can be used for people with latex allergies Female condom can be used for people with latex allergies Risks Does not protect against all STI’s Potential to tear or rip during use

12. Types of Barrier Contraceptives Diaphram, Cervial Cap, Sponge Diaphram, Cervial Cap, Sponge Devices placed at the top of the vagina covering the cervix Devices placed at the top of the vagina covering the cervix