Trials of the Billings Method in China, India, Indonesia and Africa among both educated and illiterate people of diverse religions – Hindus, Muslims and Christians – or of no religion, have revealed a method effectiveness of more than 99 per cent when it is used according to the guidelines.
– Dr. Evelyn (Lyn) Billings, The Billings Method (pg. xv)
NFP Refresher Course
For couples that have already learned NFP using the Billings Ovulation Method, this is a refresher course similar to a follow up and is most useful during a new phase of life, whether that be to achieve or avoid pregnancy. For couples that have learned another method of NFP, please sign up for the full NFP course.