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Friday, April 13, 2012

PREGNANCY TEST RELIABILITY

KNOW THE RELIABILITY OF A PREGNANCY TEST
Pregnancy tests are they generally reliable? For their reliability rate, here are some indications about the effectiveness of urine pregnancy test and pregnancy test by blood. Every pregnancy test works on the same principle: the detection of human chorionic gonadotrophin (HCG or beta-HCG) hormone secreted when the egg attaches to the uterine cavity, about eight days after fertilization.
1 - Reliability urine pregnancy test

The reliability of a urine pregnancy test is consistent, since the test is considered reliable in 99% of cases. Subject to proper use [cf do when your pregnancy test], a positive urine test is generally considered reliable.
Indeed, it is very rare for a pregnancy test appears to be positive without early pregnancy, a urine test may also be considered infallible if it is positive in 99% of cases. By cons, a urine test may indicate negative results although pregnancy has already begun.
2 - Reliability test for pregnancy blood test

The reliability of a pregnancy test by blood is higher than that of a urine pregnancy test. This is by far the most effective since its reliability rate is 100%. After an appointment with your GP, it may prescribe a blood test at a testing laboratory. The principle is the same as for a urine test: detecting the hormone hCG (human chorionic gonadotropin) with increased reliability since the Beta-HCG hormone is present primarily in the blood before being excreted in urine.

3 - Reliability pregnancy test saliva



The reliability of pregnancy test saliva is the lowest of the three, despite the practicality of such a test. The high reliability is still 98%. These are the easiest and most convenient to use even if their margin of error is a little higher.

The urine pregnancy test or saliva can give a first indication; it must be validated by a blood test to diagnose 100% accurate. Now that we know the reliability of pregnancy tests, we'll show you where to get them.

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