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.
That is to take a pregnancy test (or have your doctor perform a pregnancy test.) Most pregnancy tests can be taken by two weeks after having sexual intercourse. Pregnancy tests work by monitoring the HCG in your body. This is a pregnancy hormone that is only present when you are pregnant.