Hello! Prompt, please, up to what terms it is possible "to believe" the test or dough...

[Marina]

Hello!
Prompt, please, up to what terms it is possible "to believe" the test for pregnancy? Has decided to use the test or dough on 4 oh to week of a delay monthly (and on the test or dough;father-in-law it is written, from first day of a delay). On during this period results of the test or dough how much are exact? Thanks.

[Soboleva L.I.]

Hello, Marina! There were cases, that the test showed negative result and at 6 monthly pregnancies. Certainly, on 4 to week of a delay probability of the positive answer (if pregnancy, certainly there is more. There is), but too a guarantee not 100 %.