Contraseption

Condom (Male)

%: 97
Pros: Only birth control that prevents STIs
Cons: Can break, guys complain about sensitivity, can be allergic to latex
STI Protection?: yes


Condom (Female)

%: 95
Pros: Only contraseptive controlled by girls that protects them against STIs and pregnancy
Cons: Many do not insert it right, expensive
STI Protection?: yes


Oral Contraception

%: 99.9
Pros: most effective, regulates menstrual cycle, completely reversible
Cons: Doesn't stop STIs, May have side effects
STI's?: No


Day After (Emergency Contraseption)

%: 99
Pros: Can be used after sex (Within 3-5 days)
Cons: Cannot stop STIs, Can cause side effects
STI's: No


IUD

%: 99
Pros: Can prevent pregnancy for up to 5 years, reversible once removed
Cons: Periods can be worse, Can cause bleeding or a hole in the uterus
STI's?: No


Vasectomy

%: 97.8 - 100
Pros: Easy, Permanent
Cons: May swell after surgury, Man may regret desision and reversal doesn't always work
STI's?: No


Spermicide

%: 79 - 94
Pros: Prevents pregnancy, infections and pectic inflamitory disease, Can protect you against some STIs like chlamydia
Cons: Messy, Only effective for about an hour, Increses risk of HIV transmission, Can be allergic to some ingredients
STI's?: Prevents some but makes HIV transmission more likely


Depo-Provera

%: 99.7
Pros: Reversible, Stops body from releasing egg all together
Cons: Can cause bone density loss, Have to go to a docter every 3 months for injection, Does not protect agaist STIs and HIV
STI's?: No


Withdrawal

%: 81
Pros: Better than nothing
Cons: Difficult to get the timing right, There can be sperm already on the penis
STI's: No