in order to correlate the concentrations of oestrogens in the fetal fluids of the pig with those observed in the maternal blood and urine , changes in the concentrations of oestrone , oestradiol-17 beta , oestrone sulphate , oestradiol sulphates and oestrone glucuronide were assessed throughout pregnancy in the fetal and maternal fluids .
C0014942
oestrone
C0032961
pregnancy