Information worth keeping.
Original articles about cycle recording, privacy, the history of fertility awareness and real experiences behind Natus.
A personal story about family planning, marriage, faith, learning the Billings Ovulation Method® and the experience that helped inspire Natus.
Learn about John and Evelyn Billings and the decades of clinical observation and scientific research behind the development of the Billings Ovulation Method®.
Compare different ways to organise cycle records and understand the advantages and limitations of paper, spreadsheets and dedicated apps.
Understand the difference between recording observations and interpreting them, and why Natus keeps these functions separate.
