See also:

• Health: Reproductive Health: Birth Control: Natural Family Planning  (19)
• Society: Religion and Spirituality: Christianity: Denominations: Catholicism: Family Life: Natural Family Planning  (4)

• Natural Family Planning Information Site - Information on natural family planning approaches and reasons for using NFP.
• One More Soul - Information offered to educate Americans about the blessings of children, the harms of contraception, and the benefits of the natural approach to fertility consistent with the values and ideals promoted by the Roman Catholic Church.