Medicine: A Natural Way

Trading rhythm for awareness t do you call people who use the rhythm method of birth control?" went the old joke. The snap retort: "Parents." That cynical humor was based on unhappy experience. The rhythm method, in which a woman keeps track of her menstrual cycle on the calendar to determine the time of ovulation and hence of maximum fertility, proved to be only about 60% effective. Now the Department of Health, Education and Welfare is bankrolling a $1.4 million study, involving 800 California couples, to test the effectiveness of a new, natural...

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