This case report documents the extremely rare occurrence of concordant hypoplastic left heart syndrome in dichorionic dizygotic twins.
Alerts clinicians to rare HLHS concordance in dizygotic twins; leaves open genetic and environmental mechanisms for investigation.
Congenital heart disease (CHD) is the most common congenital birth defect, and hypoplastic left heart syndrome (HLHS) is a relatively common form of CHD, with an estimated incidence of 0.1–0.25 per 1,000 live births. However, twin pregnancies in which both fetuses are affected by HLHS are very rare. Herein, we present the first reported case of dichorionic dizygotic twins concordant for this condition.
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Özdemir et al. (2016) studied this question.
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