what is serum afp
Home / Prenatal Testing / Maternal Serum Alpha-Fetoprotein Screening (MSAFP) Also Known as Alpha-Fetoprotein Test (AFP) MSAFP is a screening test that examines the level of alpha-fetoprotein in the motherâs blood during pregnancy. This is not a diagnostic test. It is often part of the triple screen test that assesses whether further diagnostic testing may be needed.