Description: The article focus on the analysis of the problems of premature birth in the early stages of pregnancy. A method has been proposed definition of preterm labor in the early stages of pregnancy (less 21 weeks), which will improve the efficiency of round therapeutic and preventive measures by improving the accuracy of diagnosis. The results of discriminant functions and calcula-tion method Wald. The results may further contribute to the purpose of optimal treatment, and will take into account the existing feedback between the elements.
Keywords: pregnancy, the period of disruption, discriminant analysis method Wald