A blood test used during early pregnancy to determine neural tube defects is known as:

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MSAFP (Maternal Serum Alpha-fetoprotein) is a blood test used during early pregnancy to determine neural tube defects in the developing fetus. Amniocentesis, chorionic villus sampling, and cord blood sampling are invasive prenatal diagnostic tests that may be used to confirm or rule out genetic disorders in the developing fetus, but they are not typically used as a first-line screening test for neural tube defects.

A Blood Test Used During Early Pregnancy to Determine Neural