Fertil Control Light DONNA Ovulation testThe FertilControl Light ovulation tester is a small hand held microscope that will help you use saliva to find out if you are in the fertile period of your menstrual cycle. The ovulation test is designed for daily detection of ovulation from saliva with an accuracy of up to 98%. The test is small, discreet and fits in your hand, thanks to the possibility of repeated use, you also save on one off tests. You can perform the tests indefinitely for 2