The level of AFP in the blood is used in a maternal serum triple or quadruple screening test. Generally done between 15 and 20 weeks, these tests check the levels of three or four substances in a pregnant woman's blood.n alpha-fetoprotein (AFP) blood test checks the level of AFP in a pregnant woman's blood. AFP is a substance made in the liver of an unborn baby (fetus).
Common mirtazapine side effects include: 1  drowsiness, dizziness; 2  strange dreams; 3  vision changes; 4  dry mouth; 5  constipation; 6  increased appetite; or. 7  weight gain.
How does mirtazapine work? Mirtazapine is a type of antidepressant medicine. It works by enhancing the activity of neurotransmitters called noradrenaline and serotonin in the brain. Neurotransmitters act as chemical messengers between nerve cells. When noradrenaline and serotonin are released from nerve cells in the brain they act to lighten mood.