in pregnancy the levels of cbg-bc increased linearly after estradiol levels exceeded 1,300 pg . per milliliter and after estrone levels exceeded 500 pg . per milliliter ( r = 0.88 , p less than 0.001 ; and r = 0.85 , p less than 0.001 , logarithmic regression analysis ) .
C0032961
pregnancy
C0014942
estrone