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.
“The false negative rate, if done appropriately, is less than 1%.” If someone waits until the appropriate point in their menstrual cycle and ensures that their urine is concentrated enough at the time of testing, then it's highly unlikely that an at-home pregnancy test will provide incorrect results, he explains.
You can get a negative result on your pregnancy test for two reasons: You are not pregnant or you are pregnant, but you tested too early for the pregnancy test you used to pick up the hCG 'pregnancy' hormone in your body.
It's possible to get a negative pregnancy test result followed by a positive result, especially if you tested early. This is because hCG levels rise rapidly in the first few days after implantation. It's also possible to get a positive test result followed by a negative result.
The result can be read any time from 3 to 10 minutes. After 10 minutes any change in your result should be disregarded. My test says I'm not pregnant.
Can Too Much Pee on a Pregnancy Test Make It Negative? Urinating too much on a urine pregnancy test should not cause a false negative result. But diluted urine, or urine with a higher water content, can impact a pregnancy test by skewing results.
Clearblue Early Detection Pregnancy Test provides early detection of the pregnancy hormone. 71% of pregnancies can be detected 6 days before the missed period (5 days before the expected period) and 94% of pregnancies can be detected 5 days before the missed period (4 days before the expected period).
Clearblue Digital Pregnancy Test with Smart Countdown
If you take the test on or after the first day of your expected period, the results are 99 percent accurate. That said, the test is sensitive enough to detect pregnancy five days before a missed period.
Read your results
A 'Pregnant' (positive) result will remain on the display for up to 6 months. A 'Not Pregnant' (negative) result will remain on the display for approximately 24 hours.
A false negative pregnancy test is when you are pregnant but the test comes up negative. The most common reason for a false negative is that you took the test too early.1 Even if your period is late according to your typical cycle, you might have ovulated later in the month.
For your result to be 'Not Pregnant' (negative) there must be a blue line in the control window and a '-' (minus) symbol in the result window within 10 minutes of performing the test. If you are still unsure of your result, you should wait at least 3 days before testing again, taking care to follow the instructions.
It's possible to get a negative result from a home pregnancy test when you are pregnant. This is known as a false-negative. You might get a false-negative if you: Take the test too early.
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.
Highly sensitive
Our most sensitive digital pregnancy test detects hCG, with a sensitivity of 10mIU/ml.
Clearblue® Rapid Detection Pregnancy Test can be used 5 days before the missed period (which is 4 days before the expected period). In lab testing, 98% of 'Pregnant' results were detected the day before the expected period, 97% were detected 2 days before, 88% 3 days before, and 56% 4 days before.
What level of hCG can pregnancy tests detect? 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.
It appears shortly after the embryo attaches to the wall of the uterus. If you are pregnant, this hormone increases very rapidly. If you have a 28 day menstrual cycle, you can detect hCG in your urine 12-15 days after ovulation.
While second morning urine may have a higher concentration of hCG, there's no scientific evidence to suggest that it's better for pregnancy testing than other urine samples. In fact, most pregnancy tests are designed to be accurate regardless of the time of day or the type of urine sample used.
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.
You can only use each test stick once.
Yes, you can reuse the pregnancy test kit again, but you cannot expect an accurate result.