University of Pennsylvania

Monell Chemical Senses Center

Joseph Tonzetich

George Preti

George R Huggins

James G Kostelc

Method for precisely ascertaining the time of ovulation by monitoring the concentration of alcohols in the range of C.sub.10 -C.sub.16, particularly dodecanol. A spike in the concentration of such compound(s) is indicative of time of ovulation.

Method detecting ovulation by monitoring dodecanol concentration in

A novel method is provided for precisely predicting and then ascertaining the time of ovulation by monitoring the mouth air of a female, a first peak after menses in the concentration of said volatile sulfur-containing compounds in said mouth air predicting ovulation by about 5 to 7 days, and a second increase thereafter being indicative of ovulation. Alternatively, a method is provided wherein TPTZ is utilized to sense secondary characteristics associated with the production of volatile sulfur compounds for the purpose of providing a simple colorimetric home test for determining the precise time of ovulation.

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Vancouver, Canada

Joseph Tonzetich