How accurate is the TCI OvuLook™Ovulation Tester?
In consumer studies, the TCI OvuLook™ Ovulation system was 98% accurate in predicting ovulation within a 48 hour time period on either side of ovulation as determined by the LH surge. The table below shows the percentages of women in the TCI study who saw ferning on each day of the 5-day testing window. Day 0 is the presumed day of ovulation.
