<p>A totally natural birth control alternative to artificial methods. An effective program for pinpointing fertility to become pregnant. Can be used by any woman, at any age, whether she has regular or irregular periods, is breastfeeding, or approaching menopause. Clinically proven, and tested by the World Health Organization. Used by millions of women in more than 100 countries all over the world.</p>

The Billings Method of Natural Family Planning: Controlling Fertility Without Drugs or Devices

Ann Westmore

Evelyn L. Billings

Health, Fitness & Dieting

Thorsons

A totally natural birth control alternative to artificial methods. An effective program for pinpointing fertility to become pregnant. Can be used by any woman, at any age, whether she has regular or irregular periods, is breastfeeding, or approaching menopause. Clinically proven, and tested by the World Health Organization. Used by millions of women in more than 100 countries all over the world.

Billings Method: Controlling Fertility without Drugs or Devices(New Edition)

Evelyn Billings

Science & Math

Gracewing

<p>The Billings Method: A book on using the body's natural signal of fertility to achieve or avoid pregnancy.</p>

The Billings Method: Using the Body's Natural Signal of Fertility to Achieve or Avoid Pregnancy

Parenting & Relationships

Fertility

Anne O'Donovan Pty, Ltd.

The Billings Method

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Books by Ann Westmore