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.
I had a close call once, shortly after I had my daughter. My doctor told me to wait at least two weeks from the time I had unprotected sex before coming in to get tested. Although most OTC tests suggest that you wait until you've missed your test. But arizona is right, there are early detection tests that can test up to five days (I believe) before your missed period.