Ovulation test paper has been weak positive may be the test before drinking too much water, ovarian endocrine dysfunction, low egg quality and other reasons. 1. Drinking too much water before the test: Drinking too much water before monitoring with ovulation test paper may dilute the luteinizing hormone in the urine, and if the concentration of luteinizing hormone is too low, the ovulation test paper may be weakly positive all the time, so try not to drink too much water before the ovulation test. 2. Ovarian endocrine dysfunction: women with ovarian endocrine dysfunction, resulting in low levels of luteinizing hormone in the body, will cause ovulation test paper has been weak positive results. 3. low egg quality: women usually irregular life and work, mental overstress or individual differences, will reduce the quality of eggs, so that the body luteinizing hormone level is low, ovulation test paper test will always be weak positive results. The test paper is weakly positive, you should go to the hospital to check the ultrasound, ultrasound can be more accurate understanding of the follicle development and discharge situation.