OvaCue Fertility Monitor, Recommended by fertility specialists, Predict your ovulation up to 5-7 days in advance and display ovulation date, The OvaCue is an advanced fertility monitor that enables you to predict ovulation up to seven days in advance!, It's easy to use, over 98% accurate, and unlike urine-based ovulation tests, there's no mess. OvaCue uses saliva samples to measure changes in electrolyte concentration (salinity).
he vaginal sensor provides further support to the oral reading by confirming ovulation, and defining a complete window of ovulation. Simple to use and mess free with no additional purchases necessary. OvaCue Fertility Monitor includes the hand-held monitor, oral sensor, and the vaginal sensor.