Buying Options.
The bottom line here is that pink dye tests are better than blue dye tests since they rarely produce evaporation lines. If you would like a pregnancy test with worded results- i.e. pregnant or not pregnant- you have to go for the digital kind.
Generally, most home pregnancy tests claim to detect hCG levels from 25 mIU/ml. However, some tests, such as the Clearblue® Early Digital Pregnancy Test and the Clearblue Early Detection Pregnancy Test, are so sensitive they can detect hCG levels as low as 10 mIU/ml.
First Response is always a popular pink dye option, but if you are someone that likes to test a lot in the days leading up to your expected period, cheap test strips are the way to go!
Blue-dye tests are notorious for getting a blue-dye evaporation line. It's unclear if they actually have more evaporation lines, or if they are more likely to be confused for an actual line since a gray-ish evaporation line looks very similar to a blue positive line.
First Response Early Result Pregnancy Test
Both our experts agree that First Response Early Results is one of the most sensitive home pregnancy tests available with the ability to accurately test levels of hCG five days before your expected period.
Clearblue Ultra Early is our most sensitive test meaning you can test up to 6 days before your missed period (which is 5 days before your expected period).
If the Color Change Tip has not turned completely pink you may not have applied enough urine. However, if the blue line in the Control Window appears within 10 minutes of performing the test then the test has worked.
Out of 18 brands tested, only one, the First Response Early Result Test, was sensitive enough to "consistently detect 12.5 mIU (milli-International Units per milliliter of urine) of hCG, considering the manufacturer's suggested read time, and produced both clear and faintly discernible positive results" on the first ...
hCG level takes a longer time to be detected in urine. So, one needs to wait untill six to seven days for the hCG levels to reach a detectable amount before taking the over-the-counter urine test.
The strength of the positive test line depends on how much hCG is in your urine. If the line is faint, it usually means that the hCG level is low. One reason why hCG levels may be low could be because you're still very early into your pregnancy.
You're pregnant!” have to be more accurate than a regular pregnancy test that gives you two little red lines, right? Well, you'd be surprised. You may be surprised to learn that digital and analog home pregnancy tests work exactly the same way in providing you with an accurate pregnancy test result.
Although both Clearblue and First Response are trusted consumer brands, First Response has the slight edge. Their tests can be administered earlier than Clearblue (up to six days before your expected period date) and the results are 97% accurate on the first day of your missed period.
Clearblue is best known for its blue-dye plus-sign tests, but the pink-dye Clearblue Early Detection test is more sensitive and, in our experience, easier to read. This test's sensitivity is similar to that of the First Response Early Result.
The hCG can be detected in the blood or urine. A lot of changes take place in a woman's body when she becomes pregnant. One of the quickest changes in the production of hCG. The hormone begins to show up in the urine ten days from the day the woman conceives.
First morning urine samples will normally contain the highest levels of hCG. C. If not tested immediately, urine may be stored at room temperature (59-86oF or 15-30o C) or 8 hours refrigerated at 36─46oF (2─8oC) for up to 3 days. Samples must be brought to room temperature before testing.
Results: First Response Early Result had an analytical sensitivity of 6.3 mIU/mL, which was estimated to detect greater than 95% of pregnancies on the day of missed period. The sensitivity of Clearblue Easy Earliest Results was 25 mIU/mL, which indicated detection of 80% of pregnancies.
Key benefits. Our most sensitive digital pregnancy test detects the pregnancy hormone, hCG, with a sensitivity of 10mIU/ml. Results from 6 days before your missed period (which is 5 days before your expected period).
Pregnancy test results should get darker early on as a pregnancy progresses. If your pregnancy test results seem to be getting lighter, it could be because you tested after drinking water and your urine was more diluted. Or, the first test result could have been an evaporation line and not a positive result.
Know this: All Clearblue® pregnancy tests are over 99% accurate from the day you expect your period. False positives very rarely occur, and are often due to medical conditions or certain medications. False negatives, while more common, typically occur due to testing too early or drinking too much liquid before testing.
Most home pregnancy tests are reliable, for example Clearblue's tests have an accuracy of over 99% from the day you expect your period, and while it's possible a test showing a negative result is wrong, particularly if you're testing early, getting a false positive is extremely rare.