The Billings Method: Controlling Fertility Without Drugs or Devices

The percentage of 869 women in five countries capable of being taught to recognize the periovulatory cervical mucus symptom of the fertile period was determined in a prospective multicentre trial of t...

The Billings method, or cervical mucus method, is a natural family planning method developed during the 1970s by the Australian physicians John and Evelyn Billings. The method requires periodic abstin...

With the Billings Ovulation Method of natural family planning, women chart the symptoms of changes of their cervical mucus to determine when they are ovulating. The Ovulation Method is simple to learn...