Urine Strips - Walmart.com
2021-5-1 · If you do not know your cycle length, you may begin the test 11 days after your first period since the average cycle length is 28 days. Test procedure: Immerse the strip into the urine. Take the strip out after 3 seconds. Lay the strip flat. Read results in 5 minutes. Reading the results: Positive (LH Surge): If two lines are visible and the test line is equal to or darker than the control line. Negative (No LH Surge): No test line or the test …
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