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Most doctors recommend that you wait until the first day of your missed period before taking a home pregnancy test. A missed period is usually one of the first signs of pregnancy. This is usually around two weeks after conception. However, some tests are more sensitive than others and can be taken earlier. Concentrations of hCG are reported in milliInternational Units (mIU) or amounts equal to 1/1000th of an IU per milliliter.
How soon can you take a pregnancy test? Fortunately, you no longer have to wait until you miss your period to take a pregnancy test and possibly receive accurate results. There are many pregnancy tests on the market today that allow you to test up to six days before your period is due. However, most tests are accurate about two weeks after possible conception. Note, possible conception could be anytime between about one and five days after sex, depending on when you had sex in your fertile window in relation to ovulation.