Recommendations for standardized human pedigree nomenclature |
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Authors: | Robin L Bennett Kathryn A Steinhaus Stefanie B Uhrich Corrine K O'Sullivan Robert G Resta Debra Lochner-Doyle Dorene S Markel Victoria Vincent Jan Hamanishi |
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Institution: | (1) Division of Medical Genetics, University of Washington Medical Center, Seattle, Washington;(2) Division of Human Genetics, University of California at Irvine, Orange, California;(3) Obstetrics and Gynecology, University of Washington Medical Center, Seattle, Washington;(4) Center for Perinatal Studies, Swedish Medical Center, Seattle, Washington;(5) Genetics Services Section, Department of Health, Seattle, Washington;(6) Human Genome Center, University of Michigan, Ann Arbor, Michigan;(7) Division of Genetics, University of South Carolina School of Medicine, Columbia, South Carolina;(8) Medical Genetics, RG-25, University of Washington Medical Center, 98195 Seattle, Washington |
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Abstract: | The construction of an accurate family pedigree is a fundamental component of a clinical genetic evaluation and of human genetic research. Previous surveys of genetic counselors and human genetic publications have demonstrated significant inconsistencies in the usage of common pedigree symbols representing situations such as pregnancy, termination of pregnancy, miscarriage, and adoption, as well as less common scenarios such as pregnancies conceived through assisted reproductive technologies. The Pedigree Standardization Task Force (PSTF) was organized through the Professional Issues Committee of the National Society of Genetic Counselors, to establish recommendations for universal standards in human pedigree nomenclature. Nomenclature was chosen based on current usage, consistency among symbols, computer compatibility, and the adaptability of symbols to reflect the rapid technical advances in human genetics. Preliminary recommendations were presented for review at three national meetings of human genetic professionals and sent to >100 human genetic professionals for review. On the basis of this review process, the recommendations of the PSTF for standardized human pedigree nomenclature are presented here. By incorporating these recommendations into medical genetics professional training programs, board examinations, genetic publications, and pedigree software, the adoption of uniform pedigree nomenclature can begin. Usage of standardized pedigree nomenclature will reduce the chances for incorrect interpretation of patient and family medical and genetic information. It may also improve the quality of patient care provided by genetic professionals and facilitate communication between researchers involved with genetic family studies.Reprinted with permission from theAmerican Journal of Human Genetics 56:745–752, 1995, The University of Chicago Press. © 1995 by The American Society of Human Genetics. All rights reserved. |
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