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.
How soon after sex can I have a check-up? It is important not to delay going for a check-up if you think you might have chlamydia. A test can be carried out straightaway but you may be advised to have another test two weeks after having sex. You can have a test for chlamydia even if there are no symptoms.