Outline of the natural family planning method of contraception includes a personal-record chart, rules and instructions.

Discover the league's sympto-thermal Method. Join the mailing list, find local contact information and shop at the store.

Introduces the ovulation method, a natural contraceptive technique claiming to be 99 percent effective in preventing pregnancy.

Learn about natural family planning. Includes a discussion about the rhythm method and advice about other techniques such as the Billings method.

Contraception guide for professionals details natural family planning. Learn the limitations, common problems and who shouldn't use it.