Our Billings office will be closed from 29th November 2024 until the 3rd February 2025

All downloads will be available to order online. No hardcopies will be posted until after the 3rd February 2025

A new booklet which explains the Billings Ovulation Method® simply. The perfect guide for those starting to use the Method and learning how to chart. This booklet is available in both a stamp version or a symbol version. Cost per download $5.