C-reactive protein concentration in the sera of pregnant women with imminent premature parturition and preterm amniorrhea.

C-reactive protein (CRP) levels were evaluated during spontaneous labour, in imminent premature parturition (IPP) and after preterm rupture of oocyst membranes (PROM). Increasing CRP level during spontaneous labour was found in 16.6% parturients. Elevated CRP level in patients with IPP makes it impossible to predict premature labour. In parturients with PROM, increase in CRP level makes further infection predictable only in a few cases.