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1. Collect urine in a clean and dry container. Do not use morning urine. The best time to collect urine is from 10:00 am to 8:00 pm. Try to use the urine sample at the same time every day. The urine should be reduced 2 hours before collecting urine. Ingestion.2. The test strip will be immersed in the urine with one end of the arrow mark line. After about three seconds, it will be taken out and laid flat for 10-20 minutes. The result will be read within 30 minutes. 3. The depth of the test paper inserted into the urine should not exceed the MAX mark line.Normal women ovulate every month. After an egg matures in the ovary, it is excreted from the ovaries and transported to the uterus via the fallopian tubes. The pregnancy process is formed by a mature egg in the fallopian tube combined with sperm. Sperm can survive for about 24-72 hours in the female reproductive tract, while an egg is fertilized only about 24-36 hours after ovulation. In women's menstrual cycle, the luteinizing hormone (LH) in the urine will peak in the 24-48 hours before ovulation, and all ovulation strips can accurately detect the peak level of LH, so that women can predict the best. The time of conception.Women should first determine their own menstrual cycle before testing. The algorithm is a cycle from the first day of menstruation to the day before the next menstrual period (the first day of the first blood day). Most women ovulate in the next menstrual period. The first 14 days or so, so 2-3 days before ovulation and 1-2 days after ovulation is easy to receive pregnancy, that is, 4-5 days before and after the ovulation day is estimated to be susceptible to pregnancy, so it should be tested regularly after starting the test. When a color close to a high peak is about to occur, it should be tested every 12 hours until the LH peak is detected. Since each woman's menstrual cycledays are different, the most accurate measurement time is to start the test after the end of menstruation or five days after the end.Reliable and accurate Individually packaged, with a desiccant to prevent damp Ovulation test can be quick and easy to predict the time of ovulation, so as to equip the best time to conceive and contraception. Model Number: Urine Test Strip Item Type:Feminine Hygiene Stage: Pre-pregnancy Fragrance type: no fragrance type Package included:10pcs colour:Pink Material:Aluminum bag size:10.5*5.5cm Package Contents: 20*Pregnancy Test Strip Precautions When the result is that you are pregnant, please go to the hospital to see a doctor and confirm the diagnosis, because seeing a doctor early can guarantee the health of you and your baby. At the same time, the doctor will give you further guidance. Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.