Donna ovulation tester based on a microscope, for repeated use, in the size of lipstick. It determines the fertile period of a woman in the menstrual cycle within 5 minutes with 98% accuracy. Just apply saliva to the protective cap.
The Donna ovulation tester is a small hand-held microscope, according to which you can find out your fertile period in the menstrual cycle with the help of saliva.
The ovulation period in a woman lasts about 3 days, 6 days is considered a period of possible pregnancy. Studies have shown that this procedure is one of the most reliable methods of determining fertility.
Dosage
Use as needed, it is recommended to use several times a day during the ovulation cycle.
