... Fertility Monitor The ClearBlue Fertility Monitor works by tracking the LH and Estrogen levels in your urine through test sticks. The Clear Blue Fertility Monitor reads the test sticks for Low, High and Peak fertility ...
... LH urine stick tests, in that it detects the 4 crucial days before ovulation, as opposed to the LH test sticks that simply detect ... the 4 days before you ovulate in an easy to use, lightweight, wrist -mounted fertility predictor. Those 4 days do make ...
