Our study findings support the association between intra-amniotic infections and preterm delivery.

Lower level of maternal self-esteem possibly leads to a higher level of maternal stress which may reduce fetal growth via physiologic changes. Gender differences in associations between demographic factors and neonatal outcome measures indicate differences in fetal development between boys and girls.

The results suggest that decreasing seasonality of suicides could be a good marker of lowering rate of depression-related suicides in the population particularly among males.

In the examined sample, prevalence of depression and anxiety during early pregnancy basically coincides with the situation in developed countries.

Our study demonstrated a higher rate of complicated pregnancies in association with metabolic syndrome compared to the control group.