Fig. 3.
Fetal ε-positive erythroblasts versus gestational age.
Regression analysis of the fall in frequency of ε-containing fetal erythroblasts by gestational week during the first trimester. y = −15.8 × + 230.8; R2 = 0.8;P < .001.
Fetal ε-positive erythroblasts versus gestational age.
Regression analysis of the fall in frequency of ε-containing fetal erythroblasts by gestational week during the first trimester. y = −15.8 × + 230.8; R2 = 0.8;P < .001.
