During pregnancy, the fetus is surrounded by amniotic fluid, a substance much like water. Amniotic fluid contains live fetal cells and other substances, such as alpha-fetoprotein (AFP). These substances provide important information about your baby's health before birth.uring pregnancy, the fetus is surrounded by amniotic fluid, a substance much like water. Amniotic fluid contains live fetal cells and other substances, such as alpha-fetoprotein (AFP). These substances provide important information about your baby's health before birth.
qualitative definition: The definition of qualitative refers to measurements of the characteristics of something, as opposed to measurements based on the quantity of something. (adjective) When you judge something based on how good or bad it is, rather tha...
quantitative(Adjective) Of a measurement based on some quantity or number rather than on some quality. quantitative(Adjective) Of a form of analysis that determines the amount of some element or compound in a sample.