[Determination of urinary estriol in pregnancy. I. Comparison of the gas-chromatographic and colorimetric methods]. / Determinazione dell'estriolo urinario in gravidana. I. Confronto tra metodo gas-cromatografico e metod o colorimetrico.

The gas-chromatographic method is confronted with the amply used colorimetric method in the determination of the urinary oestriol. The two methods give practically the some results, even so the gas-chromatographic is to be preferred for its specificity, for salvaging accuracy, and for the possibility to receive hormonal profiles with only one determination.

[Determination of urinary estriol in pregnancy. II. Normal levels with the gas-chromatographic method]. / Determinazione dell'estriolo urinario in gravidanza. II. Livelli normali con il metodo gas-cromatografico.

We carried the values of the oestrioluria received examining n o 755 samples of urine of women with normal pregnancies using the gas-chromatographic method. The gas-chromatographic method makes possible a "fascia" of normal values superimposable to those received from others AA. with the colorimetric method in the first months of pregnancy, where we have a major tendency to the dispersion of the values in the last months of pregnancy.