3541938
9780345341112
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, Evelyn is the author of 'Billings Method' with ISBN 9780345341112 and ISBN 0345341112.
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