OvaCue Fertility Monitor Vaginal Sensor

OvaCue Fertility Monitor Vaginal Sensor

This sensor will only work with the OvaCue Fertility Monitor.

While the vaginal sensor is not required for predicting ovulation, most of our customers elect to purchase one. If you are uncertain about whether you are ovulating, the vaginal sensor will give you a clear answer. It also gives you the added confidence that the OvaCue does indeed predict your date of ovulation accurately. The vaginal sensor is highly recommended for women with with irregular cycles or ovulatory disorders (such as PCOS).


The OvaCue Vaginal Sensor  measures electrolyte changes in vaginal mucus, just as the oral sensor measures electrolytes in saliva. With these measurements, OvaCue will mark the end of your fertile window and confirm ovulation by recording the change from estrogen to progesterone dominance. This usually happens the day before ovulation and marks the change from estrogen to progesterone dominance, indicating ovulation has occurred.

Finally, by confirming ovulation it clearly marks the end of your fertile period (when you can no longer get pregnant).

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Ovacue Fertility Monitor

OvaCue Monitor and Sensor Bundle