in order to compare the predictive efficacies of serum estriol and urinary estrogen excretion in early diagnosis of fetal distress , 255 patients with normal ( n = 128 ) or complicated ( n = 127 ) pregnancies were monitored with simultaneous determinations of serum estriol ( radioimmunoassay ) and urinary estrogen excretion/24 h ( colorimetric method ) after the 32nd week of pregnancy .
C0032961
pregnancies
C0014939
estrogen