Evolution and survival of the fittest are not the same thing. Evolution refers to the cumulative changes in a population or species through time. Survival of the fittest is a popular term that refers to the process of natural selection, a mechanism that drives evolutionary change.
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? You should wait to take a pregnancy test until the week after your missed period for the most accurate result. If you donât want to wait until youâve missed your period, you should wait at least one to two weeks after you had sex.