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.
Have intercouse the three days after two week of the first day of your period I took a pregnancy test today one day before my missed period. And it came out negative do you think I should wait like my dr. Told me to after two weeks of my missed period is when I should take a pregnancy test.ou can take the tests earlier. For the most accurate results, waiting for when your period is due is best. Many of the tests on the market today advertise that you can accurately (so they say) test about 4 days before your period is due.