Tested with our LH Rapid Test to maximize fertility planning , which is a precision diagnostic tool designed to detect the luteinizing hormone surge that precedes ovulation. This LH Test is highly sensitive test and it identifies LH concentrations at 25 mIU/mL, which pinpoints your most fertile window with clinical accuracy. The rapid immunochromatographic assay shows clear results in just 5 minutes, and it enables timely conception planning. Each individually sealed test ensures convenience for daily checking throughout your cycle. With over 99% specificity, it minimizes false readings, providing reliable results for informed family planning decisions. With international quality standards CE/ISO13485, our solution supports both personal fertility monitoring and professional reproductive health assessments.
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Product name |
LH Rapid Test |
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Item type |
LH-U21 |
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Specimens |
Urine |
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Shelf life |
2 years |
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Test Time |
Waiting about 5 minutes |
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Certificate |
CE, ISO:13485 |
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OEM |
Acceptable |
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Storage condition |
The kit should be stored at 2-30°C |
PRECAUTIONS
● For professional in vitro diagnostic use only.
● Do not use after the expiration date indicated on the package. Do not use the LH Rapid Test if the foil pouch is damaged. Do not reuse tests.
● The extraction reagent solution contains a salt solution if the solution contacts the skin or eye, flush with copious amounts of water.
● Avoid cross-contamination of specimens by using a new specimen collection container for each specimen obtained.
● Read the entire procedure carefully before testing.
PROCEDURE
Allow the test device, urine specimen, and/or controls to equilibrate to room temperature (15‐30℃) prior to testing.
1. Remove the test strip from the sealed pouch.
2. Hold the dropper vertically and transfer 3 full drops of urine to the specimen well of the test strip, and then begin timing.
3. Wait for colored lines to appear. Interpret the test results at 5minutes.
NOTE: Do not read the result after 5 minutes.
INTERPRETATION OF RESULTS
Positive: Two distinct red lines will appear, one in the test region (T) and another in the control region (C). You can assume that you are pregnant.
Negative: Only one red line appears in the control region ( C) . No apparent line in the test region (T). You can assume that you are not pregnant.
Invalid: The result is invalid if no red line appears in the control region ( C), even if a line appears in the test region (T). In any event, repeat the test. If the problem persists, discontinue using the lot immediately and contact your local distributor.
NOTE: Clear background in the Result Window can be seen as a basis for effective testing. If the test line is weak, it is recommended that the test be repeated with the first morning specimen obtained 4 8 - 7 2 hours later. No matter how the test results, it is recommended to consult your physician.
FAQ
Q: What is luteinizing hormone (LH) and why is it important for fertility?
A: Luteinizing hormone is a reproductive hormone produced by the pituitary gland. In women, LH plays a crucial role in triggering ovulation. Approximately 24-36 hours before an egg is released from the ovary, LH levels surge dramatically-often increasing 3-5 times above baseline levels. By detecting this surge, you can identify your most fertile days, which are the day of the surge and the following day. This is when intercourse is most likely to result in conception.
Q: When should I start testing with the LH Rapid Test?
A: The ideal time to start testing depends on your menstrual cycle length. Subtract 17 days from your average cycle length to determine when to begin. For example, if you have a 28-day cycle, start testing on day 11 (28-17=11). If your cycles are irregular, use the length of your shortest cycle in the past six months as a reference. Test daily at approximately the same time until you detect your LH surge.
Q: What time of day should I perform the LH test?
A: Unlike pregnancy tests, LH tests are best performed between 10 AM and 8 PM, with many experts recommending afternoon testing (between 2 PM and 2:30 PM). Avoid using first-morning urine, as LH is synthesized in your body early in the morning and may not appear in urine until later in the day. Testing at the same time each day provides the most consistent results for tracking your surge pattern.
Q: How do I interpret the test results correctly?
A: The test displays two lines: a control line (C) and a test line (T). A positive result occurs when the test line is equal to or darker than the control line, indicating an LH surge. If the test line is lighter than the control line, the result is negative-you have not yet reached your LH surge. Unlike pregnancy tests, a faint line on an LH test is considered negative. You're looking for the test line to match or exceed the control line's intensity.
Q: How long does the LH surge last, and when should I have intercourse?
A: The LH surge typically lasts 24-48 hours, though the peak may be shorter. Ovulation usually occurs 24-36 hours after the surge begins. For optimal conception chances, have intercourse the day you receive your first positive result and the following day. Since sperm can survive in the reproductive tract for up to 5 days, having intercourse before ovulation is actually ideal, as the sperm will be waiting when the egg is released.
Q: Can I get multiple positive results in one cycle?
A: While most women experience one clear LH surge per cycle, some may see multiple surges, particularly those with conditions like PCOS (polycystic ovary syndrome). The body may "attempt" to ovulate, causing an LH rise that doesn't result in ovulation, followed by another surge later. If you see multiple positives, track your basal body temperature or use additional monitoring methods to confirm actual ovulation occurred.
Q: What factors can affect the accuracy of my LH test results?
A: Several factors can influence results. Certain fertility medications containing LH or hCG can cause false positives. Conditions like PCOS, thyroid disorders, or premature ovarian failure may affect LH levels. Recent hormonal birth control use can temporarily disrupt normal LH patterns. Additionally, excessive fluid intake before testing can dilute urine and make the surge harder to detect. Always follow the instructions regarding fluid restriction before testing.
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