One of the most frequent complications of pregnancy patients with enterovirus infections had a threat of interruption of pregnancy. In control group unitary during pregnancy interruption threat was observed at 34.0% of patients whereas at patients of the basic group threat carried repetition character, and observed in 68.1%. The diagnosis of placentary insufficiency has been established at 42.6% of patients with enterovirus an infection, that authentically exceeds frequency in control group of 2.3%. Increase in frequency of occurrence of an infection to deduce urine ways and placentary insufficiency directly are the factors promoting realisation prenatal infected. The most frequent complication was premature pour waters at 55.0% of pregnant women of the basic group, in control group the given complication was observed at 29.5 % of cases. The data cited above allow assuming interrelation between anamnesis data, complications during pregnancy and during sorts, with the subsequent display pre-natal infected.