Estriol-3-glucuronide exists in amniotic fluid during normal pregnancy and occurs naturally in urine[1][2].
The present Estriol 3-glucuronide direct RIA has also been used for urine and serum samples[1].
[1]. Sugar J, et al. Estriol-3-glucuronide and estriol-16-glucuronide in amniotic fluid during normal pregnancy. J Clin Endocrinol Metab. 1980;50(1):137-143.
[2]. Ladany S. Isolation of crystalline estriol-3-glucuronide from human pregnancy urine. Steroids. 1968;12(6):717-723.
















