false positive ovulation test?

bree

Is it possible to get a false ovulation test? I did the clear blue digital tests and for

the first day I tested low/negitive the next 4 days were high and 5th day was peak. 2 days after the peak I got ovulation pains and cervical mucas was very clear and stretchy with other signs of very very open, high and soft. when I tested it was low/negitive. confused.