Ovulation test paper through the test paper on the two lines to determine the strong positive and weak positive, two red lines refers to strong positive, a dark and light refers to weak positive. Ovulation test paper is used to monitor whether ovulation is occurring by detecting the peak level of luteinizing hormone in the urine. The presence of only one red band in the control area indicates that there is no ovulation, and the presence of two colored bands, if the two bands are darker and lighter, represents weak positivity. If both bands are equal to or darker than the color of the control line, it indicates that there is a luteinizing hormone peak and that ovulation is about to occur. If you want to successfully conceive, you can have intercourse after ovulation to increase the chances of getting pregnant, and during the preparation period, you should ban smoking and alcohol, do not stay up all night, and develop good habits, you can do a good job of pre-pregnancy checkups, so as to achieve the eugenics.