The proper way to use ovulation test strips is to remove the strip after retaining urine, dip the marked end into the urine, and then check the result within the specified time. It can be used to detect ovulation by detecting the peak level of luteinizing hormone, and is recommended to be used appropriately under the guidance of a doctor. Ovulation test paper is usually used on the 10th day of menstruation, can be used every day from 10 am to 8 pm in the time period of urine, do not use morning urine, urine into a clean container, then dip the test paper with the arrow side of the urine, to avoid exceeding the maximum line, 10-30 minutes to determine the results. The use of ovulation test strips need to be continuous testing, it is recommended to try to use the same time period of urine every day, if the test results show a line in each of the detection area and the control area means that it is positive, representing the imminent ovulation; if a line in the control area means that it is not yet the time of ovulation or has already been ovulated; if there is no display in the control area it means that the test is invalid or failed. After you have detected a positive test, you can rationalize your sex life to increase your chances of conceiving.