Following is a list of middle-to-upper class privileges. If you are a member of the middle class or upper class economic groups (or, in some cases, perceived to be) listed below are benefits that may be granted to you based on your group membership â benefits not granted to folks in the lower classes.
advanced maternal age. A term used to describe the age of women for whom pregnancy presents increased risks either to the fetus or to the mother. In the medical literature this age is variably stated as being over 35.
Naturally acquired passive immunity[edit] Maternal passive immunity is a type of naturally acquired passive immunity, and refers to antibody-mediated immunity conveyed to a fetus or infant by its mother. Naturally acquired passive immunity can be provided during pregnancy, and through breast-feeding. In humans, maternal antibodies (MatAb) are passed through the placenta to the fetus by an FcRn receptor on placental cells.