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Describe the difference between randomization and matching. What are the advantages and disadvantages of each?
AFP Level
Alpha-fetoprotein level, a marker tested during pregnancy to assess the risk of certain birth defects and conditions in the fetus.
Neural Tube Defects
Birth defects of the brain, spine, or spinal cord that occur due to incomplete development of the neural tube during early pregnancy.
Amniocentesis
A medical procedure used in prenatal diagnosis to extract a small amount of amniotic fluid for the testing of chromosomal abnormalities in a fetus.
Prenatal Screening
Medical tests and procedures used to evaluate the health of a fetus and identify any potential genetic, congenital, or health issues before birth.
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