Quantitative Hcg Test

How long can you take the beta hCG test as to rule out pregnancy?

There are two kinds of tests HCG, qualitative'll say yes or no, and a quantitative pregnancy test reveals the exact level of HCG in the blood. Both will detect HCG as early as one week after conception.

About the same as a pregnacy test at the earliest 3-4 days before, you should start

4 days before ur period if it does not work ... One week after the missed period ....