Couple to Couple Leauge International
Website: http://www.ccli.org. . .
1-800-745-8252
(513) 471-2000
Email: info@ccli.org
CCL provides client education in the Sympto-Thermal Method (STM). STM is a multi-indexed method. It teaches detection of cervical mucus, the Basal Body Temperature and cervical changes besides other secondary fertility symptoms.
Client education (English and Spanish) is provided by professionally certified teaching couples in their local areas or via live on-line classes. A Self-Paced Online Class is also an option; this is a video-based version of the live class, with support available through phone and e-mail contact.
Natural Family International
Website:http://www.nfpandmore.org. . .
NFPI provides client education in Dr. K. Prem's Cross-Check Method (also called "STM") at: nfpmandmore.org/nfphowto. . . .. The NFPI approach is grounded in a philosophy of marital generosity and chastity. The principles of Ecological Breastfeeding for natural child spacing are also taught.
Access to an NFP master teacher is via e-mail.
Billings Ovulation Method-USA
Website: www.boma-usa.org. . .
(651) 699-8139
Email: boma@boma-usa.org