If more than one person (consultands) come to the appointment (such as two sisters), each person should be identified with an arrow on the pedigree. This person is identified on the pedigree by an arrow, so that s/he can be easily identified when referring to the pedigree. The consultand is the individual seeking genetic counseling. The consultand or proband Opens in new window is one of several standardized terms used when conducting a pedigree that define the individual who is undergoing the family history Opens in new window. The pedigree can serve to clarify any genetic tests that were found to be positive (e.g., autosomal dominant Opens in new window, autosomal recessive Opens in new window, X-linked Opens in new window ), including the carrier status Opens in new window of an individual and whether the status of the individual or family member is asymptomatic or presymptomatic. It also provides a visualization of disease patterns that may exist among multiple members and generations. The pedigree, unlike written information, provides a visual display of the health history of the proband or consultand Opens in new window as well as other family members and includes information from both the maternal and paternal lineage if known. This depiction utilizes a variety of standardized figures that illustrates sex, family relationships, status (alive/deceased), and medical history. The three-generation pedigree provides a graphic depiction or map of how family members are biologically related to each other, from one generation to the next social and legal relationships can also be shown (e.g., adoption and divorce). therapeutics for osteogenesis imperfecta.
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