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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.
Oh yeah, thatâs what you really wanted to know. How early you can take a pregnancy test depends on the sensitivity of the test. There are pregnancy tests that are calibrated to detect different levels of hCG such as 20 mlU/ml, 50 mlU/ml, or 100 mlU/ml. The lower the number the earlier the test will provide an accurate result.