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  • Review Article
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Reproductive options and genetic testing for patients with an inherited cardiac disease

Abstract

In the past decade, genetic testing for cardiac disease has become part of routine clinical care. A genetic diagnosis provides the possibility to clarify risk for relatives. For family planning, a genetic diagnosis provides reproductive options, including prenatal diagnosis and preimplantation genetic testing, that can prevent an affected parent from having a child with the genetic predisposition. Owing to the complex genetic architecture of cardiac diseases, characterized by incomplete disease penetrance and the interplay between monogenic and polygenic variants, the risk reduction that can be achieved using reproductive genetic testing varies among individuals. Globally, disparities, including regulatory and financial barriers, in access to reproductive genetic tests exist. Although reproductive options are gaining a prominent position in the management of patients with inherited cardiac diseases, specific policies and guidance are lacking. Guidelines recommend that prenatal diagnosis and preimplantation genetic testing are options that should be discussed with families. Health-care professionals should, therefore, be aware of the possibilities and feel confident to discuss the benefits and challenges. In this Review, we provide an overview of the reproductive options in the context of inherited cardiac diseases, covering the genetic, technical, psychosocial and equity considerations, to prepare health-care professionals for discussions with their patients.

Key points

  • A genetic aetiology of cardiac diseases is well established, although the genetic architecture is complex, including rare variants of large effect and common variants of individually smaller effect, in genes associated with cardiac disease.

  • When a genetic diagnosis is established in a would-be parent, a combination of in vitro fertilization, preimplantation genetic testing (PGT) and embryo selection provides an effective option to have a child who is biologically related to both parents and will not inherit the genetic risk.

  • Genetic counselling, including discussion and support about reproductive (genetic testing) options, inheritance risks and familial implications, is a crucial aspect in the management of patients and their families.

  • Major differences in financial coverage, logistics of health care, sociocultural backgrounds and societal views on reproductive options exist between countries, limiting universal regulation and guidelines.

  • The experience of the cardiac disease in the family is an important driver as to why patients opt for active management of reproductive risk (such as PGT) and can differ between patients.

  • A detailed medical and family history is necessary to determine the technical and medical possibilities of active management of reproductive risk (mainly PGT) for a patient with an inherited cardiac disease.

  • PGT is a laborious process, including multiple specialties and technical challenges, that takes up to 12 months on average.

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Fig. 1: Complex genetic architecture of inherited cardiac diseases.
Fig. 2: Technical steps and methods for genetic testing of embryos for PGT.
Fig. 3: PGT trajectory of a patient with a genetic cardiac disease.

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Acknowledgements

J.A.J.V. is supported by funding from the Dutch Heart Foundation (Dekker Clinical Scientist grant 03-005-2022-0040) and by the Academic Funds of the Maastricht University Medical Centre+ (AF-00499). J.S.W. is supported by the Sir Jules Thorn Charitable Trust (21JTA), Medical Research Council (UK), British Heart Foundation (RE/18/4/34215) and the NIHR Imperial College Biomedical Research Centre. J.I. is the recipient of a National Heart Foundation of Australia Future Leader Fellowship (no. 106732). Both J.A.J.V. and J.S.W. are supported by a HORIZON European Innovation Council Grants Pathfinder call (DCM-NEXT).

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J.A.J.V., A.D.C.P. and J.I. researched data for the article, and all the authors discussed its content. J.A.J.V., A.D.C.P., C.E.M.d.D.-S. and J.I. wrote the manuscript, and all the authors reviewed/edited it before submission.

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Correspondence to Job A. J. Verdonschot.

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J.S.W. has consulted for Foresite Labs, Health Lumen, MyoKardia, Pfizer and Tenaya Therapeutics and receives research support from Bristol Myers Squibb. J.I. receives research grant support from Bristol Myers Squibb. The other authors declare no competing interests.

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Verdonschot, J.A.J., Paulussen, A.D.C., Lakdawala, N.K. et al. Reproductive options and genetic testing for patients with an inherited cardiac disease. Nat Rev Cardiol 22, 199–211 (2025). https://doi.org/10.1038/s41569-024-01073-3

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