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Programs that apply what is known about human genetics to advise prospective parents who are concerned about the recurrence of hereditary problems or abnormalities in their offspring or for others (adults and children) who may be at risk for a variety of inherited conditions and need information about their own prospects for health. Genetic counseling is also routinely offered to individuals, usually age 35 and older, who are considering a first pregnancy. Genetic counselors identify families at risk, investigate the problem present in the family, interpret information about the disorder, analyze inheritance patterns and risks of recurrence and review available options with the family. They also provide supportive counseling to families, serve as patient advocates and refer individuals and families to community or state support services.