The concept of prenatal gene therapy -- Candidate diseases for prenatal gene therapy -- Vector systems for prenatal gene therapy: Choosing vectors for different applications -- Vector systems for prenatal gene therapy: Principles of adenovirus design and production -- Vector systems for prenatal gene therapy: Principles of retrovirus vector design and production -- Vector systems for prenatal gene therapy: Principles of adeno-associated virus vector design and production -- Vector systems for prenatal gene therapy: Principles of non-viral vector design and production -- Use of manipulated stem cells for prenatal therapy -- Animal models for prenatal gene therapy: Choosing the right model -- Animal models for prenatal gene therapy: Rodent models for prenatal gene therapy -- Animal models for prenatal gene therapy: The sheep model -- Animal models for prenatal gene therapy: The nonhuman primate model -- Choice of surrogate and physiological markers for prenatal gene therapy -- Monitoring for potential adverse effects of prenatal gene therapy: Use of large animal models with relevance to human application -- Monitoring for potential adverse effects of prenatal gene therapy: Mouse models for developmental aberrations and inadvertent germ line transmission -- Monitoring for potential adverse effects of prenatal gene therapy: Genotoxicity analysis in vitro and on small animal models ex vivo and in vivo -- Risks, benefits and ethical, legal, and societal considerations for translation of prenatal gene therapy to human application