To trust the testimony of the test is only 98%. An absolute guarantee can be given only by the doctor, after inspection and after woman will pass all the necessary tests. But still the pregnancy tests are in high demand. They help to avoid queues at the hospital to see the gynecologist. There are many types of tests. Ranging from simple test strips, to complex digital devices. Depending on the complexity of the apparatus will vary and the price.

Test to determine pregnancy should be carried out not earlier than 10 days after the delay. Doing it in advance makes no sense, because the level of HCG is increasing with each passing day after the alleged conception. And what this level is, the more the probability to obtain reliable results using the test. When getting urine on the test strip chemical reaction takes place. If in urine there is a hormone (HCG), the reagent immediately it will reflect the appearance of the second strip.

You need to use a test strictly according to instructions. It is recommended that all event done in the morning, it was during this period of time the content of HCG is the highest. Night and day the test can show false data. You need a reservoir to collect urine and dip the test strip up to a specified level for a few seconds. The results should look after 10 minutes, this is enough time for the chemical reaction. If a woman is pregnant, there will be two strips. The second brightness may be different. But its presence may indicate an increased level of the hormone, and hence, it is likely that the woman is pregnant. If not manifested any stripes, most likely, the test got a defective or was broken the technology of the event.

It is best to conduct two tests in a row and still use products from different manufacturers. It is not excluded that one of them may give inaccurate information. You cannot use the same test several times and also to store unused test without packaging.