NATURAL FAMLY PLANNING IS “FREE BIRTH CONTROL”
Patch-free
Latex-free
Shot-free
Pill-free
Mutilation-free
Guilt-free
Pollution-free
Hassle-free
Formula-free
Adapted from the business card of Steve and Ann Craig, Corpus Christi NFPI.
Sheila Kippley
The Seven Standards of Ecological Breastfeeding: The Frequency Factor, 2008
Breastfeeding and Natural Child Spacing, 2008, classic 1974 edition
Breastfeeding and Catholic Motherhood, 2005