between days 9 and 15 after oestrus , concentrations of pregnenolone , pregnenolone sulphate , dehydroepiandrosterone ( dhea ) , dhea sulphate , androstenedione , oestrone and oestrone sulphate in free uterine fluid collected from non-pregnant gilts were greater than respective values in plasma ( p less than 0.05 ) .
C0014942
oestrone
C0059668
oestrone sulphate