再显危险率又称复发风险(rocurrence risk),是指咨询医师在遗传咨询过程中为咨询者推算其后代患遗传病的机率.各种遗传病和先天畸形是影响优生的重要疾病,已引起人们的广泛重视.生育遗传病和先天畸形患儿是一种危险或风险.因此,遗传咨询的主要任务就是婚姻和生育的优生指导,而指导的原则是 Redundancy risk, also known as recurrence risk (rocurrence risk), refers to the consulting physician in the process of genetic counseling for their future generations of genetic disease risk estimates.A variety of genetic diseases and congenital malformations is an important disease affecting eugenics, has caused People pay more attention to it.The birth of children with genetic diseases and congenital malformations is a danger or risk.Therefore, the main task of genetic counseling is the eugenic guidance of marriage and procreation, and the guiding principle is