A positive test with ovulation test paper 9 days after ovulation may be due to endocrine abnormality in the body, or it may be due to the quality of the test paper.
Ovulation test paper is to detect the luteinizing hormone in a woman’s body, when the luteinizing hormone is elevated, ovulation may occur within 12 to 24 hours.
Nine days after ovulation, the ovulation test paper test is positive, indicating that the female body luteinizing hormone level is relatively high, this situation is mostly seen in polycystic ovary syndrome patients.
Ovulation test strips can also be incorrect if there is a problem with the quality of the test strips, such as when the strips are wet or expired.
The best way to detect ovulation is to go to the hospital to do ultrasound, which can not only find the size of the follicle, but also dynamic observation of follicular growth.