We always have LH in our systems, so the test can pick it up. Most of the tests don't show a full positive result until 25-40 mIU, but many will show a faint line with LH levels over 10 mIU. If your result line often has significant color, you should consider trying another brand. If you still get a significant line, you should consider having your doctor test your LH levels on the third day of your next cycle to see if your hormone levels are elevated.

Many women seeking pregnancy want very much to "see a line". What may appear to be a faint line could be a shadow, blotch, or in some cases a rare evaporation mark. These are not a positive result. If you are pregnant, the test line will be distinct and obvious similar to the control line.

It’s normal for the result on the pregnancy test to be either fainter or darker than the control line. The reason it may be fainter could be due to less hCG in your urine, especially very early in your pregnancy. It may be darker if your pregnancy is more progressed. Occasionally the test may display a ???shadow' line when the positive result should be, disregard this if you cannot see it when holding the test at arms length away from you.

The shade of red in the test region will vary, but it should be considered negative wherever there is even a faint pink line.

Only a pink test line indicates a positive result. A gray or green test line could indicate an improper sample extraction, improper test procedure, or invalid strip. Please call Tech Service for troubleshooting if this result is reached.

Unlike home pregnancy tests where a line in the result window indicates a positive, OPKs are only positive if the test result line in the same color or darker than the reference line. Refer to the instructions in your test kit to be sure you know which window is which, and whether the line has to be as dark (Clearplan) or darker (OvuQuick).

There are 4 possible test results: "negative", "positive", "indeterminate", or "result not available." A "negative" test result means antibodies to the hepatitis C virus were not found in your test sample and it is extremely unlikely that you have been infected with the hepatitis C virus.

A true positive will usually show up within the first couple of minutes. It could be what is sometimes called an "evaporation line". Generally, evaporation lines are light gray, shadowy lines and any pregnancy test can have this occur. It is when a faint test line appears AFTER the 10 minute time limit. This brand of test does not seem to have a problem with evaporation lines although no brand can say that it will never happen.

You may be pregnant and just didn't have a high enough level of hCG to show positive during the testing time frame. It could just be the way the test is made as well. You should not rely on any positive result that does not show up within the time limit stated in the test instructions.

A positive result will always be indicated by the presence of a distinct color band in the 'test' region of the pregnancy test strip or midstream test (accompanied by the presence of the 'control' band). If the test is faint (in comparison to the control band), the test may be positive, though the presence of hCG in the woman's body - or urine sample - may be low. The presence of hCG doubles every two days in a pregnant woman.

NO, in this instance the control line did not show up, therefore the test is invalid. For a positive test, only the control line will be visible. Check the cross-reactant guide under the heading of METHAMPHETAMINE and look for the possible cross-reactant drug. Pseudoephedrine is listed as a possible cross-reactant for Methamphetamine. Retest the person 4-5 days after they have not taken the medication.

Any line in the test area, no matter how faint, should be interpreted as a negative test. Perform the second test (included with our Total Body and complete cleansers) and this will verify whether you are clean or not. For initial screening purposes though, a faint line in the test area should always be interpreted as a negative test. I thank you for your help in figuring out which product was suitable for me.

The most commonly used syphilis tests screen for an antibody to the syphilis organism. Lupus patients sometimes have a very similar antibody. This similar antibody, the antiphospholipid antibody (aPL), can cause an incorrect positive result on a syphilis test. If the doctor suspects that the patient may not really have syphilis, he may choose to then run a different, more complicated and expensive test that checks specifically for the syphilis organism.

Parents should not be alarmed by positive results as the screening gives only preliminary information, albeit with a high degree of accuracy. It should be followed by a precise confirmatory test.

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NO! These tests are unlike pregnancy tests. The results are only positive if the test line is equal to or darker than the control line. There are some women who will ovulate without getting a "true" positive. Some women will only have a nearly positive test. If you see a nearly positive test, it MAY be a good idea to have intercourse because ovulation will probably occur soon.

The problem is related to the design of the grounding post, and not any production line or quality issue. Tektronix is not aware of any case where someone was hurt or injured as a result of this safety issue.

Any very faint line on the test region could indicate that the drug in the sample could be near the cut-off level for the test. However, any line in the test area, no matter how faint, should be interpreted as a negative test. Perform a second test or send the specimen to a laboratory to obtain quantitative results.