The Billings Ovulation Method, not to be confused with the Rhythm Method, uses the natural fertility cycles of women to maximise the chances of pregnancy, or to avoid it.
A new edition of this classic work that has helped millions of women around the world to achieve healthy, natural fertility control.
Doctor Billings, who researched and formulated the ovulation method, explains its use.
Teaching the Billings Ovulation Method: Variations of the cycle and reproductive health
The Billings Method of Natural Family Planning: Controlling Fertility Without Drugs Or Devices
The Billings Method
Billings Method
'This is knowledge of her body that every woman ought to have' DR EVELYN BILLINGS
Teaching the Billings Ovulation Method: The Correlation of Physiological Events of the Female Reproductive Cycle with Observations Made at the...