David Ovulation 15mIU (high sensitivity) Test Strips
David Ovulation Predictor Kit allow you to predict, with great accuracy, your most fertile time of the month. Easy to use, OPKs can greatly increase your chances of becoming pregnant - if you use them correctly. Please refer to the table below for information on when to start using ovulation tests: Your cycle length Start to test on 21 days Day 6 22 days Day 6 23 days Day 7 24 days Day 7 25 days Day 8 26 days Day 9 27 days Day 10 28 days Day 11 29 days Day 12 30 days Day 13 31 days Day 14 32 days Day 15 33 days Day 16 34 days Day 17 35 days Day 18 36 days Day 19 37 days Day 20 38 days Day 21 Instruction: URINE COLLECTION 1. Do not use first morning urine samples as LH is synthesized in your body early in the morning. It will not show up in your urine until later in the day. 2. The best time to collect your urine is between 10am - 8pm. 3. Collect urine at about the same time each day. 4. Reduce liquid intake about 2 hours before collecting your urine as a diluted urine sample can prevent the test from detecting LH surge. Observation on the OPK result within 10 minutes, result after 30 minutes was invalid. 5. the OPK insertion depth of not more than MAX mark line.
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