Patent ID: 6403380
Filing Date: 2002-06-11
Classification: G01N

Abstract:
In a method of providing warning of the onset of the fertile phase of the human ovulation cycle, involving measurement in absolute or relative terms of the body fluid concentration of an analyte indicative of fertile status, wherein said analyte is selected from the group consisting of estradiol and metabolites thereof, the improvement which comprises obtaining, a body fluid concentration standard measurement for said analyte as found in the body of an average human female subject 3 days prior to the time of ovulation during a 28-day cycle, conducting a concentration measurement on a single day in a current cycle at about the termination of menses, comparing the resulting measurement with said previously obtained body fluid concentration as found in the body fluid of said average human female subject 3 days prior to the time of ovulation during a 28-day cycle, and, if the comparison shows the concentration measurement as obtained at about the termination of menses in the current cycle to be typical of said standard body fluid concentration, immediately declaring the current cycle to be in its fertile phase.