The presence of two red lines on the ovulation test indicates a strong positive result. Ovulation occurs about 24-48 hours after this result, so you can choose to have intercourse to increase your chances of getting pregnant. Ovulation test paper detects luteinizing hormone in the urine, and it is best to leave the urine around 10 o’clock in the morning for a higher positive rate. If you have intercourse 24 hours after a strong positive result, and you are not clinically pregnant, it is best to do the appropriate tests to find out if there is inflammation, you can do gynecological examinations, routine tests of the leukorrhea, to find out if there is local inflammation of the cervix. If there is no inflammation, it is recommended to choose the next month at the time of ovulation, reasonable arrangement of coitus time, and then in the understanding of whether it can be pregnant. If there are three consecutive strong positive results and no pregnancy, it is recommended that other tests be done to rule out other causes of infertility.