“…Health status of the mother who plans the birth of the child is the most important factor. Smoking status (Dev, Sharma, & Sharma, 2018), alcohol (Wen et al, 2016) and drug consumption (Lind et al, 2017) of parents, diabetes mellitus of mother (Øyen et al, 2016), folic acid (Øyen et al, 2019) and other medicine (Lennestål, Olausson, & Källén, 2009) intake are although play the role in the CHD risk. Genetic mechanisms of the development of heart defects are still not clear, which is explained by the difficulty in the implementation of hereditary information in a predisposition to CHD due to its multifactorial nature (Chaix et al, 2016).…”