How many days can pregnancy test be used to detect pregnancy? With the continuous development of modern medical technology, using test strips to test pregnancy has become one of the most common methods at present. The early pregnancy test paper is a particularly sensitive test paper, and its test results are also relatively accurate. So, how many days does it take for the pregnancy test paper to detect the pregnancy result? Next, we will elaborate on this issue from several aspects. Generally speaking, when calculating the time from the menstrual cycle, about 7-14 days after a woman becomes pregnant, the intrauterine embryo will begin to secrete human chorionic gonadotropin (HCG), and