Vaginal Swab Levels of CA125 Are Related to Time of Cycle in Ovulatory Women. A Pilot Study.

Objective: To develop an assay for vaginal CA125 and determine if vaginal levels correlate with the phase of the menstrual cycle.

Study Design: Fifteen women through a total of 20 ovulatory cycles obtained daily vaginal swabs for assay. Sampling began within the first 3 days after menses in and continued into the luteal phase.