A Cooperative Method of Natural Birth Control
Presented here is a safe, noninvasive, and effective method of birth control based on the recording and interpretation of signs and signals from a woman's own body. This book is recommended by family planning centers throughout the country.
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Presented here is a safe, noninvasive, and effective method of birth control based on the recording and interpretation of signs and signals from a woman's own body. This book is recommended by family planning centers throughout the country.
