Expanded carrier screening: what the reproductive endocrinologist needs to know
Identifying carriers of genetic disorders through expanded preconception or prenatal screening poses several advantages and disadvantages compared with traditional screening approaches.
Volume 109, Issue 2, Pages 183–189
Authors:
Jeffrey Dungan, M.D.
Abstract:
Expanded carrier screening refers to identification of carriers of single-gene disorders outside of traditional screening guidelines. New genetic testing technologies allow for such screening at costs that are comparable to single-gene testing. There is a high degree of variability among genetic testing laboratories as to the inclusion of different disorders, some of which have mild or unpredictable phenotypes. This review discusses the pros and cons of using expanded carrier screening in the preconceptional patient and reviews guidelines currently endorsed by professional organizations.
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