Contraception

% Effectiveness
Pros
Cons
STI protection

Condom
- % Effectiveness: 97% effectiveness
- Pros: 97% effective, protection against most STIs if used consistently and correctly. Condoms are the only contraception that can prevent STIs
Cons: Lack of sensitivity, slipping off during sex, rough handling causing condom to break, people being allergic to latex
STI protection: Yes

Oral Contraceptive
- % Effectiveness: 99.9% effective with a 3% failure rate
- Pros: Regulates the menstrual cycle, reduces menstrual flow, reduces acne, protects against certain caners and completely reversible
Cons: Doesn't protect against STIs, may cause side effects such as irregular bleeding, breast tenderness, weight gain, headaches and nausea.
STI protection: No

Vasectomy
- % Effectiveness: Pregnancy rate following vasectomy is 0- 2.2%
- Pros: Most effective method of contraception controlled by a guy. It is easy, permanent, and relives women of contraceptive burdens
- Cons: Swelling after surgery, men coming to regret his decision as reversal doesn't always work
STI protection: No

Spermicide
- % Effectiveness: Failure rate of spermicide used alone is between 6% (perfect use) and 21% (typical use)
- Pros: Protection against pregnancy, bacterial infections and pelvic inflammatory disease. Protection against certain STIs
- Cons: Messy, effective for only 1 hour, irritate entrance of virgina or tip of penis. Use of spermicide can increase HIV transmission. Failure rate of spermicide failure used alone is 6% (perfect use) and 21% (typical use). Allergic to some of the ingredients in spermicides.
STI protection: Yes, protection against certain STIs such as chlamydia

Withdrawal
- % Effectiveness: 19% failure rate
- Pros: Put it simply, withdrawal is better than nothing
- Cons: May be pre- cum, requires lost of self- control and practice and difficult to get timing right. Failure rate of 19%. No protection against STIs
STI Protection: No protection

IUD
- % Effectiveness: 99% effectiveness
- Pros: 5 years of contraception, no negative impacts on future fertility, 99% effective, lower rate of ectopic pregnancy than women who do not use any birth control.
- Cons: Does not protect against STIs, (women)- periods getting heavier or more crampy. Insertion of IUD may cause irregular bleeding or spotting, perforating the uterus, infection, or expulsion.
STI protection: No protection

Depo Provera
- % Effectiveness: 99.7% effectiveness in preventing pregnancy
- Pros: 4 times a year, reversible, positive side- effects and decreases risk of of endometrial
- Cons: Loss of bone density, no protection against STIs or HIV and negative side effects such as irregular bleeding, weight gain, and headaches.
STI protection: No protection

Day After
- % Effectiveness: 99% effectiveness
- Pros: 99% of women avoid unwanted pregnancy
- Cons: Negative side effects such as nausea or vomiting
STI protection: No protection