Laboratory tests for woman in 6th gestational week might include (some of them only if needed): sedimentation rate for possible infections, complete blood count with hemoglobin, hematocrite and serum iron (for detecting anemia in pregnancy), fasting blood glucose (for detecting gestational diabetes), urea and creatinin (for detecting kidneys’ condition), ASAT and ALAT (for checking liver condition in pregnancy), beta-HCG and PAPPA (pregnancy-associated plasma protein A) for calculating risk for congenital anomalies of the baby, blood group with Rh factor, HBsAg for detecting Hepatitis B, screening for HIV, rubella, syphilis and other sexually transmitted diseases like: gonorrhea and Chlamydia. Lab tests might also include more expensive tests, such as the sexual hormones: estrogen (3 types), progesterone, FSH and LH.
Not all laboratory tests are included necessarily. Which laboratory tests will be done might depend on the previous health condition and the health insurance.