Ovulation test paper strong positive and strong positive to weak positive, relatively speaking strong positive when it is easier to get pregnant. Testing for luteinizing hormone with ovulation test strips is a common way to monitor ovarian ovulation. 1. A strong positive test indicates that the luteinizing hormone in your body has reached its peak and you will ovulate within 24 to 48 hours. From this time on, you can take the frequency of every other day intercourse, sperm can survive in the female body for about 72 hours, the chances of pregnancy increased. 2. Ovulation test paper strong positive to weak positive, which means that the ovary has ovulated. The time for the egg to survive in a woman’s body is about 48 hours, and if you don’t arrange for intercourse within these 48 hours, the egg will die naturally and the chances of getting pregnant are relatively low.