Med 1996;150:169–174 Haney I, Ipp M, Feldman W, McCrindle BW Accuracy of clinical assessment of heart murmurs by office based (general practice) paediatricians Arch Dis Child 1999;81:409– 412 Li N, Mu Y, Liu Z, et al Assessment of interaction between maternal polycyclic aromatic hydrocarbons exposure and genetic polymorphisms on the risk of congenital heart diseases Sci Rep 2018;8:3075 Jenkins KJ, Correa A, Feinstein JA, et al Noninherited risk factors and congenital cardiovascular defects: current knowledge: a scientific statement from the American Heart Association Council on Cardiovascular Disease in the Young: endorsed by the American Academy of Pediatrics Circulation 2007;115:2995–3014 Gorini F, Chiappa E, Gargani L, Picano E Potential effects of environmental chemical contamination in congenital heart disease Pediatr Cardiol 2014;35:559–568 10 Liu Z, Yu Y, Li X, et al Maternal lead exposure and risk of congenital heart defects occurrence in offspring Reprod Toxicol 2015;51:1–6 11 Noble J Natural history of Down's syndrome: a brief review for those involved in antenatal screening J Med Screen 1998;5:172–177 12 Pont SJ, Robbins JM, Bird TM, et al Congenital malformations among liveborn infants with trisomies 18 and 13 Am J Med Genet A 2006;140A:1749–1756 13 Embleton ND, Wyllie JP, Wright MJ, Burn J, Hunter S Natural history of trisomy 18 Arch Dis Child Fetal Neonatal Ed 1996;75:F38–F41 14 Wyllie JP, Wright MJ, Burn J, Hunter S Natural history of trisomy 13 Arch Dis Child 1994;71:343–345 15 Freeman SB, Taft LF, Dooley KJ, et al Population-based study of congenital heart defects in Down syndrome Am J Med Genet 1998;80:213–217 16 Goldhaber SZ, Rubin IL, Brown W, et al Valvular heart disease (Aortic regurgitation and mitral valve prolapse) among institutionalized adults with down's syndrome Am J Cardiol 1986;57:278–281 17 Cuckle HS, Wald NJ, Thompson SG Estimating a woman's risk of having a pregnancy associated with Down's syndrome using her age and serum alpha-fetoprotein level BJOG 1987;94:387– 402 18 Botto LD, May K, Fernhoff PM, et al A population-based study of the 22q11.2 deletion: phenotype, incidence, and contribution to major birth defects in the population Pediatrics 2003;112:101–107 19 Oskarsdottir S Incidence and prevalence of the 22q11 deletion syndrome: a population-based study in Western Sweden Arch Dis Child 2004;89:148–151 20 Calcagni G, Digilio MC, Sarkozy A, Dallapiccola B, Marino B Familial recurrence of congenital heart disease: an overview and review of the literature Eur J Pediatr 2007;166:111–116 21 Fahed AC, Gelb BD, Seidman JG, Seidman CE Genetics of congenital heart disease: the glass half empty Circ Res 2013;112:707–720 22 Manning N, Archer N A study to determine the incidence of structural congenital heart disease in monochorionic twins Prenat Diagn 2006;26:1062–1064 [SRC - GoogleScholar] 23 Bryan E, Little J, Burn J Congenital anomalies in twins Baillieres Clin Obstet Gynaecol 1987;1:697–721 24 Nakayama D, Masuzaki H, Yoshimura S, Moriyama S, Ishimaru T Monozygotic twins discordant for single umbilical artery and congenital heart disease Am J Obstet Gynecol 1998;179:256–257 [SRC - GoogleScholar] ... population-based study of the 22q11.2 deletion: phenotype, incidence, and contribution to major birth defects in the population Pediatrics 2003;112:101–107 19 Oskarsdottir S Incidence and prevalence of the 22q11 deletion syndrome: a population-based