More Effective
About 1 pregnancy per 100 women in one year
  How to make your method more effective
Less or More Effective Arrow Implants, IUD, female sterilization, vasectomy

Implants, IUD, female sterilization: After procedure, little or nothing to do or remember

Vasectomy: Use another method for first 3 months

Injectables, LAM, Pills, Patch, Vaginal Ring

Injectables: Get repeat injections on time

Lactational Amenorrhea (for 6 months): Breastfeed often, day and night

Pills: Take a pill each day

Patch, ring: Keep in place, change on time

Male condoms, Diaphragm, Fertility Awareness Methods

Male condoms, diaphragm: Use correctly every time you have sex

Fertility awareness methods: Abstain or use condoms on fertile days. Newer methods (Standard Days Method and Two Day Method) may be easier to use.

Female condoms, Withdrawal, Spermicides

Female condoms, withdrawal, spermicides: Use correctly every time you have sex

Less Effective
About 20 pregnancies per 100 women in one year