27 research outputs found

    The interface between assisted reproductive technologies and genetics: technical, social, ethical and legal issues

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    The interface between assisted reproductive technologies (ART) and genetics comprises several sensitive and important issues that affect infertile couples, families with severe genetic diseases, potential children, professionals in ART and genetics, health care, researchers and the society in general. Genetic causes have a considerable involvement in infertility. Genetic conditions may also be transmitted to the offspring and hence create transgenerational infertility or other serious health problems. Several studies also suggest a slightly elevated risk of birth defects in children born following ART. Preimplantation genetic diagnosis (PGD) has become widely practiced throughout the world for various medical indications, but its limits are being debated. The attitudes towards ART and PGD vary substantially within Europe. The purpose of the present paper was to outline a framework for development of guidelines to be issued jointly by European Society of Human Genetics and European Society of Human Reproduction and Embryology for the interface between genetics and ART. Technical, social, ethical and legal issues of ART and genetics will be reviewed.JRC.J.5-Agriculture and Life Sciences in the Econom

    BRCA1/2 predictive testing and gender: uptake, motivation and psychological characteristics

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    BRCA1/2 predictive testing and gender: Uptake, motivation and psychological characteristics: Data on male uptake of BRCA1/2 predictive testing and psychological characteristics of males in comparison to females are scarce. We investigated gender differences in the cohort tested at the Center for Human Genetics in Leuven during a 10-year period (1998-2007). Males were significantly older than females. Breast cancer related distress (IES) was significantly lower in men and was not associated with BRCA1 or BRCA2. The groups of both males and females were psychologically stronger than average (SCL-90, UCL) and self-selected. Men were unanimously motivated (personal relevance of 12 motives rated on a Likert scale) by concern for their daughters, and significantly more so than women. One third of them (versus 12% women) referred to child-bearing decisions. Considering all unaffected siblings in the family of origin, uptake of predictive testing was significantly higher in females. Moreover, uptake was significantly higher in women belonging to a BRCA2 than to a BRCA1 family. In the descendants of identified carriers, uptake was predicted by gender and age, but not by the parent's gender or by BRCA1 or BRCA2 status.status: publishe

    Reproductive options for prospective parents in families with Huntington's disease: clinical, psychological and ethical reflections

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    BACKGROUNDHuntington's disease (HD) is an autosomal dominant neurodegenerative late onset disorder. This review of reproductive options aims to increase reproductive confidence and to prevent suffering in relation to family planning around HD and possibly other late onset neurodegenerative disorders.METHODSSelected relevant literature and own views and experiences as clinical geneticists, psychologists and ethicists have been used.RESULTSPossible options, with emphasis on prenatal diagnosis (PD) and preimplantation genetic diagnosis (PGD) to prevent the transmission of HD to the next generation, are described and discussed. They are formally presented in a decision tree, taking into account the presence or absence of a fully penetrant allele (FPA), a reduced penetrant allele (RPA) or an intermediate allele (IA). A table compares invasive and non-invasive PD and PGD. From a psychological perspective, the complex process of counselling and decision-making regarding reproductive options is discussed. Special attention is paid to the decision to avoid the transmission of the mutation and to the confrontation and coping of a mutation-free child growing up with a parent developing disease symptoms. From an ethical point of view, reflections on both PD and PGD are brought forward taking into account the difference between FPA, RPA and IA, direct testing or exclusion testing and taking into account the welfare of the child in the context of medically assisted reproduction.CONCLUSIONRecommendations and suggestions for good clinical practice in the reproductive care for HD families are formulated.status: publishe
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