How to correctly use ovulation test strips for measurement With the improvement of people\’s quality of life, more and more families are starting to plan their families. Ovulation test strips are one of the important tools to help women determine their ovulation period. How to correctly use ovulation test strips for measurement? We can elaborate on it from the following aspects: What is ovulation test paper? Ovulation test paper is something similar to a urine test paper, which can measure whether a woman has reached the ovulation period during the menstrual cycle. The principle of ovulation test paper is that it can detect the content of luteinizing hormone. Luteinizing hormone is produced by the ovary after a woman ovulates. It can increase body temperature and affect the composition of the endometrium.