Ovulation test paper measured strong positive 1~2 days after ovulation, you can reasonably arrange coitus during this period. Ovulation test strips are useful for detecting the exact time of ovulation, which can be monitored through urine testing, which can be started on the 10th day of menstruation. If the result shows positive, it means that it is almost time for ovulation, if the positive continues to strengthen, it means that ovulation is getting closer and will be ovulated in 1~2 days. Therefore, if you ovulate 1~2 days after a strong positive test, having sex during this period will increase your chances of getting pregnant. Sperm can survive in a woman’s body for about 3 days, so intercourse before and after ovulation has the possibility of pregnancy, you can reasonably arrange the number of intercourse before and after ovulation. If you have any other questions, it is recommended to consult a professional doctor for guidance.