Ovulation test paper positive for more than 10 days

Ovulation test paper more than 10 days positive. Menstruation cycle for 30 days of women, the ninth day of menstruation began ovulation test paper shows weak positive, to the 14th day of menstruation or so shows strong positive, strong positive performance within 12 hours of ovulation. If pregnant may continue to be strong positive for more than 10 days. If there is no ovulation, it may be more than 10 days for weak positive. The above health science knowledge is for reference only. Specific conditions need to be checked in a regular hospital and judged by a professional doctor. Please do not diagnose or treat yourself.