Pregnancy Symptoms and Signs

Nowadays many pregnancy tests are sold in the market, at pharmacies and even at the drugstore, pregnancy test how accurate is this? According to research in the United States, the results of pregnancy test that showed negative results, does not necessarily mean the absence of pregnancy, although the usage instructions already lived with the right tools, this is because the process of pregnancy, every woman is different from one another. Because of the process of embryo implantation is different from every person,. Usually the implantation of the embryo into the uterine wall occurred on day 6 until day 12 after the first day late the month. In some cases the implantation has occurred when one day after being delayed menstruation. This can lead to the possibility of a negative pregnancy test results, although it actually had a pregnancy.