How long does it take to test a pregnancy test?

Pregnancy test is generally in ovulation after sex about 10 days, can check whether there is a possible pregnancy. Under normal circumstances after the formation of fertilized eggs, in the endometrium implantation, trophoblast will secrete HCG. Generally in the 10 days after sex, in the urine can show HCG elevated, and pregnancy test is after testing urine HCG elevated to determine whether there is a possible pregnancy. However, pregnancy tests can sometimes give false negative results, depending on factors such as urine dilution and test quality.