NFP resources
- Pearl and Thistle - Cycle, period, and fertility education which honors the dignity and goodness of our bodies.
- John Lee, M.D. - Author of "What Your Doctor May Not Tell You About Menopause."
- Couple to Couple League - An international, interfaith organization dedicated to building healthy families through Natural Family Planning.
- Pope Paul VI Institute - A national and international center for the study of morally and professionally acceptable reproductive health services.
- BOMA - U.S.A. - The Billings Ovulation Method Association for the U.S. providing educational materials and teacher training and enrichment.