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Abstract

A method and apparatus for the daily measurement of bioelectrical potentials of ovulating women in the area of their finger tips during their menstrual cycle to determine a midcycle peak potential as an indicator of the time of ovulation and thereby provide means for predicting the time for coitus for conception or for predicting the time for abstaining from coitus as an elective means of avoiding conception. Measurement of the finger-tip bioelectrical potential is accomplished through the use of a hand-held, non-invasive ovulation determinator which includes a D.C. potential scanning microgrid electrode applied to a finger tip for locating a site thereon of maximum D.C. potential in relation to the bioelectrical D.C. potential value of a ground electrode applied by the determinator to a hand surface area remote from the finger tip. Thereafter, the determinator measures the maximum bioelectrical D.C. potential value difference between such electrodes and reports the value difference, through appropriate electronic circuitry, in digital display fashion as a voltage value whereby over the 24-34 day term of the menstrual cycle a distinct rise in the voltage value indicates the time of ovulation.

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First Claim