Linda found out more about the Billings Method from her hospital.
We followed the Billings Method to the letter and waited until five days before ovulation before we had sex.
Odeblad independently provided complete confirmation of the basic principles and guidelines of what we had called the Ovulation Method and which later came to be called the Billings Ovulation Method (BOM) or just the Billings Method
Wayne Ottenbreit, a high school teacher at Bishop McNally High School in Calgary, teaches the Billings method
of NFP, along with his wife.
That Catholics are uninformed about NFP is, of course, nothing new to those of us who try to present the Billings Method
of NFP to couples, especially in Marriage Preparation Classes.