You should not drink water 2 hours before taking the ovulation test. Do not use morning urine to test, it is better to test at 10-20 o’clock. It is recommended to start taking the test on the 10th day of menstruation. If you find that it is gradually turning stronger, you should increase the frequency of the test, preferably every 4 hours, and try to test until you get a strong positive, and catch the moment when the strong positive turns weak, ovulation happens when the strong positive turns weak. If a rapid shift is detected, it means that the egg will be expelled within 24 hours. After the ovulation test turns weak, it is recommended to continue testing the ovulation test until it is negative. At this time, you can take a break for a few days and start testing the ovulation test again every day until 10 days after ovulation, if you find a strong positive result, you will have more hope for a good pregnancy and you can use the early pregnancy test. If you need an ultrasound to monitor the development of the follicles, please go to the hospital for an ultrasound as soon as you get a positive ovulation test.