plasma total protein concentration was lowest in the youngest fetuses but thereafter it was between 1,500 and 2,200 mg/100 ml . alpha-fetoprotein was the predominant plasma protein early in development but its concentration declined throughout the fetal period . alpha-fetoprotein , fetuin and transferrin accounted for over 65 % of the total protein concentration at all fetal ages .
C0015965
fetuses
C0002210
fetuin