At me a delay about 10 days. Has bought or purchased the test for pregnancy, but there any...

[Olga]

At me a delay about 10 days. Has bought or purchased the test for pregnancy, but there any stria precisely it is not visible. On other test or dough;father-in-law of other firm the same. What is it can mean: both of the test or dough poor-quality or I incorrectly use them? Explain how correctly to use, please, testy-strias and what tests of firms are better for using. Thanks.

[Pasenjuk A.M.]

It can as a result of wrong storage of tests or their wrong use. It is better to do or make the test in the morning + strictly to follow the instruction. In my opinion good tests " Be sure "