The most reported postnatal risk factors included meconium-stained amniotic fluid (MSAF; 14.9%), neonatal jaundice (NNJ; 14.5%), respiratory distress syndrome (RDS; 7.9%), IUGR (7.1%), glucose-6-phosphate dehydrogenase (G6PD) deficiency (4.1%), congenital heart disease (CHD; 4.1%), and trisomy 21 (3.3%). This evidence concerns the gene G6PD and congenital heart disease.