“…Feng et al report that maternal factors such as low educational level, smoking, binge drinking, medicine consumption (especially analgesics and antibiotics), and influenza during pregnancy are associated with an increased risk of their offspring developing CHD [ 36 ]. As for other factors, heat exposure during early pregnancy [ 37 ], maternal vitamin D deficiency, exposure to air pollutants in pregnancy, and even structural or vascular placental abnormalities seem to be relevant [ 24 , 35 , 37 , 38 , 39 ].…”