Ovulation test paper deeper than one day for the following reasons: 1, belongs to the normal physiological situation, in the clinical part of the woman with the arrival of menstruation, the body is affected by the body hormones, as well as vaginal secretions, ovulation test paper color will gradually deepen, is a normal physiological situation, and do not need to worry about as long as in line with their own physiological rules on the line. 2, may be a sign of disease, when women suffer from gynecological diseases The color of the test paper can be affected or interfered with, which can make the color of the test paper darker or lighter, which is possible, but darker is more common. When a woman suffers from gynecological inflammation, such as cervicitis, vaginitis, endometritis, etc., the inflammatory disease itself will lead to an increase in the body’s secretion, and the secretion is also a variety of colors, the secretion can be mixed into the normal physiological secretion, which will lead to the color of the test paper darker.