Clearblue and First Response are both trusted consumer brands that claim to have the same level of accuracy (more than 99%), and both offer tests that can give you results six days before your missed period (five days before the expected period).
Nearly as sensitive when testing early
Clearblue Early Detection is another great choice for early testers. It's slightly less sensitive than First Response Early Result, but it has a wider absorbent tip and a longer handle.
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.
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.
All Clearblue® pregnancy tests are clinically proven to be over 99% accurate at detecting pregnancy from the day you expect your period1. However, if you think you might be pregnant, you want to know for sure as soon as possible, and many women want to test earlier than this.
Clearblue Plus Pregnancy Test
The Clearblue Plus Pregnancy Test is over 99% accurate and can give you results as fast as 1 minute. Read reviews on the Clearblue Plus Pregnancy Test here.
FIRST RESPONSE™ Early Result Pregnancy Test is over 99% accurate from the day of the expected period in laboratory studies.
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 ...
1 FIRST RESPONSE™ detects the pregnancy hormone 6 days sooner than the day of your missed period (5 days before the day of expected period). 2 >99% accurate at detecting typical pregnancy hormone levels. Note that hormone levels vary.
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).
However, you don't need to stress too much about taking a pregnancy test at a specific time of day. Using urine later on when it's less concentrated may only “hypothetically delay a positive result by only 12 to 24 hours,” advises Dr. Flanagan.
In laboratory testing, FIRST RESPONSE™ Digital Pregnancy Test detected the pregnancy hormone levels in the urine of 60% of pregnant women 5 days before their expected period; in 86% of pregnant women 4 days before their expected period; in 96% of pregnant women 3 days before their expected period; in >99% of pregnant ...
If you feel as though you're pregnant but got a negative home pregnancy test result, your symptoms could be down to premenstrual syndrome (PMS) or you may have taken the test too early.
The Clearblue Digital Pregnancy Test has a Smart Dual Sensor™ feature. This means that it tells you, in words, if you are pregnant or not – and also tells you how far long you are (1-2, 2-3 or 3+ weeks since conception). It can detect pregnancy with 99% accuracy.
If you just can't wait, the First Response Early Result test is what you want to grab. It's the most sensitive over-the-counter pregnancy test, and can accurately tell you if you're pregnant up to five days before your period is due.
Our most sensitive digital pregnancy test detects hCG, with a sensitivity of 10mIU/ml.
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.
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.
The test is over 99% accurate from the day of the expected period2. 71% of pregnancies can be detected 6 days before the missed period (5 days before the expected period). The test features an extra-wide absorbent tip for easy sampling, and provides her with clear results in 3 minutes.
Your HCG levels must reach 25 milliInternational units (mIU) per millimeter (mL) to indicate a positive result—which often happens within 3 to 5 weeks after your last menstrual cycle.
You can use the FIRST RESPONSE™ Early Result Pregnancy Test any time of the day, up to five days before the day your period is due. Generally you don't have to use first morning urine, however, your first morning urine contains the highest level of the pregnancy hormone.
In many cases, when you are using a First Response™ test, the test line may be a fainter pink than the control line, which is sometimes quite dark. A test line can be faint pink if your urine is diluted or it's very early in your pregnancy. Not-to-worry, though.