1 Identify processes and methods for derivatively classifying information. 2  Identify authorized sources to use when derivatively classifying information.  Apply authorized sources to derivatively classify information based on the concepts of contained in, revealed by, and compilation.
Blood Test Can Tell Fetus's Sex at Just 7 Weeks. A simple blood test can determine a baby's gender as early as seven weeks into pregnancy, a new study says â far earlier and far less invasive than other options.
You can't test right after sex because even if you do become pregnant, it could take up to a week to implant and then another couple of weeks for the pregnancy hormone to be strong enough to show up in your urine. It is best to wait until you miss your period. The longer you wait, the more accurate the test.ou can't test right after sex because even if you do become pregnant, it could take up to a week to implant and then another couple of weeks for the pregnancy hormone to be strong enough to show up in your urine. It is best to wait until you miss your period. The longer you wait, the more accurate the test.