The effect of stressful professional work on the course of pregnancy and its outcome is for various reasons an important issue. The aim of this work was to compare and evaluate studies carried out in different countries all over the world on the risk of preterm delivery (PTD) and fetal hypotrophia in infants whose mothers were occupationally exposed to psychosocial stress during gestation. An analysis of available literature confirms a significantly higher PTD odds ratio among pregnant women working in adverse psychosocial conditions. Low birth weight (LBW) in newborns of this group of mothers occurs more frequently than in the general population.