When you fall pregnant your body starts to produce the pregnancy hormone, human Chorionic Gonadotrophin (hCG). The amount of hCG in your body doubles every 2 – 3 days, and reaches a maximum at around 7 – 12 weeks into the pregnancy.
Clearblue pregnancy tests work by detecting the presence of hCG in urine. They are all over 99% accurate in laboratory tests when used from the day your period is due. Some of the tests in the range are so sensitive that they can be used up to 4 days before your period is due.
The test is quick, easy to use and can be performed at any time of day. If testing early use the first urine of the day.
How do I do the test?
Please note these are abbreviated instructions. Always read the in-pack leaflet before carrying out a test.
The Clearblue Pregnancy Test with Colour Change Tip is quick and easy to use, producing an accurate result in just 2 minutes and now gives you the option to test up to 4 days early.
You can test directly in your urine, or in a sample of your urine in a clean, dry container.
Simply remove the cap and hold the Colour Change Tip pointing downwards in your urine stream, or in your collected urine sample, for 5 seconds only. The Colour Change Tip will quickly turn pink to show that urine is being absorbed.
The test itself confirms that it has worked - a blue line appears in the Control Window.
After 2 minutes you can read your result in the Result Window.
A blue '+' in the result window means 'Pregnant'.
A blue '-' in the result window means 'Not Pregnant'.
How does it work?
The Clearblue Pregnancy Test with Colour Change Tip works in the same way as the tests used in many leading hospital laboratories – by detecting the presence of a hormone that the body starts to produce about a week after conception. The hormone is called human Chorionic Gonadotrophin (hCG) and it can be detected in urine.
The level of hCG in urine increases rapidly in the early stages of pregnancy-Clearblue Pregnancy Test with Colour Change Tip is sensitive enough to detect hCG in your urine up to 4 days before your period is due.
The Clearblue Pregnancy Test with Colour Change Tip is quick and easy to use, producing a result in just 2 minutes that is more than 99% accurate when used from the day your period is due.
Clearblue Pregnancy Test can be used up to 4 days before your period is due. If you test before your period is due and get a ‘Not Pregnant’ result, there is still a chance that you may be ‘Pregnant’ but that your hormone level is still not high enough for the test to detect.