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[Evaluation of the usefulness of enzymatic determination of estriol in urine and placental lactogen in serum of pregnant women with threatened preterm labor].

The authors studied 60 pregnant women in the pregnancy period from 29-37 weeks with threatened preterm labor. The control group formed 40 healthy pregnant women in the same pregnancy period. In all pregnant women the values of oestriol in 24-hour urine and placental lactogen in the serum was measured. Statistically significantly lower values of placental lactogen were found in the serum of pregnant women with threatened preterm labor. The values of oestriol in 24-hour urine were also lower, but the differences were not statistically significant. In 40 pregnant women in the pregnancy period from 16 to 28 weeks with threatened in the serum is a useful method of monitoring of pregnancy with threatened preterm labor. Determination of oestriol was without any greater diagnostic significance in the case threatened preterm labor.