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.
Best Answer: You can't take take a pregnancy test right after you have sex. Pregnancy tests work by detecting the amount of HCG in your urine, a hormone that is secreted during pregnancy. Right after sex, the sperm wouldn't have even reached the egg so you wouldn't even be pregnant yet.Once the egg is fertilized it still takes six days for it to travel to your uterus, and implanet itself.regnancy tests work by detecting the amount of HCG in your urine, a hormone that is secreted during pregnancy. Right after sex, the sperm wouldn't have even reached the egg so you wouldn't even be pregnant yet.