Tag > wereable sensors

Via  Medgadget   OV-Watch is an FDA-approved system that is used to predict ovulation. It works through a biochem sensor that detects changes of chloride ions in sweat. According to the producer, the system can predicts ovulation 5 days in advance: Researchers in the late 50s and early 60s noted that numerous salts (chloride, sodium, potassium) in a woman's sweat fluctuated in relation to the menstrual cycle. Chloride levels are low at the start of the menstrual cycle and peak three times during the cycle (see graph below). Using a patented biosensor, OV-Watch detects a...