A method for antenatal prediction of posthypoxic disorders of the cardiovascular system in newborn infants by identifying final nitric oxide metabolites (nitrites) and middle-mass molecules in the blood of mothers in the 3rd trimester is suggested. Women whose babies are at risk of cardiovascular pathology and having the level of nitrite ions below 5. 92 mmol/l or above 10. https://www.lorenametaute.com/