Instructions Ovulation Strip Tests



One Step Ovulation Test



The One Step Ovulation Test is fast and easy-to-use. It can determine when there is a LH (Luteinizing Hormone) surge and in turn when you are likely to ovulate.


When to Begin Testing

First, you must determine the length of your menstrual cycle. This is the number of days from the first day of your menstrual bleeding to the day before your next bleeding begins again. Please refer to the chart to determine when you should start testing.

If your cycle is shorter than 21 days or longer than 38 days, consult your doctor. 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. Perform 1 test each day over a 5 days period or until the LH surge has been detected.


Urine Collection

• 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.

• The best time to collect your urine is between 10 am-8pm

• Collect urine at about the same time each day.

• Reduce liquid intake about 2 hours before collecting your urine as a diluted urine sample can prevent the test from detecting LH surge.


Test Procedure

•Allow the sealed LH test pouch and patient’s urine sample reach room temperature (18-30℃)

• Remove the LH test device from the sealed pouch  

• Immerse the strip into the urine with the arrow end pointing towards the urine. Do not immerse past the MAX(MAXIMUM) line. Take the strip out after 5 seconds and lay the strip flat on a clean, dry, non-absorbent surface. Positive results may be observed in as short as 40 seconds. However, to confirm negative results, the complete reaction time (10 minutes) is required.


Interpretation of Results.

No LH surge: Only one colour band appears on the control region or the test band is lighter than the control band, there is no LH surge. 

LH Surge: if two colour bands are visible and the test band is equal to or darker than the control band, one will probably ovulate in the next 24-48 hours. If one wants to be pregnant, the best time to have intercourse is after 24 but before 48 hours.   

Invalid: No visible band at all. Repeat test with a new test kit.


Frequently asked Questions

The “Test Line” is not as dark as the “Control Line”, Am I Ovulating?

Unlike pregnancy tests, ovulation tests are not considered to be positive unless the “Test Line” is as dark as the “Control Line”

What should I do if I have a very light “Test Line” on my ovulation Test?

This may mean you are coming up to your LH surge, or coming down from it.  It is possible to get a very light line on your test at any stage during your cycle. It is only considered positive if it’s the same darkness as the Control line.  



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