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Radioimmunoassays for five oestrogen metabolites in urine are described; they are oestrone 3-glucuronide, oestradiol 3-glucuronide, oestradiol 17 beta-glucuronide, oestriol 3-glucuronide and oestriol 16 alpha-glucuronide. These assays have proved accurate and reliable and can be performed rapidly; they have been carried out directly in diluted menstrual cycle urine and pregnancy urine. No sample pretreatment was required. Preliminary results suggest that clinically useful information can be obtained by performing these assays on random urine specimens.

The direct radioimmunoassay of oestrogen glucuronides in human female urine