the mean ratio of the bio/immunoactivity was consistently greater than one and did not significantly change at the various stages of pregnancy , or between normal and molar pregnancies ( first trimester , 1.75 +/- 0.12 se ; midtrimester , 1.46 +/- 0.12 ; term , 1.50 +/- 0.09 ; molar , 1.55 +/- 0.2 ) .
C0032961
pregnancy
C0032980
midtrimester