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1.父母或祖辈患有遗传性疾病。如果父亲或母亲是个遗传疾病患者或病态基因的携带者,后代就有可能成为此种遗传病的患者。因此,遗传病的预防必须从父母做起。 2.孕期或围产期母亲患病。母亲孕期如患风疹等病毒感染,不仅可致畸胎,子女出生后也容易患各种疾病。有些先天性疾病并非一出生就能表现出来。患有严重的心、肝、肾等器质性疾病的妇女妊娠,或在孕期患有严重
1. Parents or grandparents have a genetic disease. If the father or mother is a genetic disease patient or carrier of pathological genes, offspring may become the genetic disease of patients. Therefore, the prevention of genetic diseases must start from their parents. Pregnancy or perinatal mother sick. Her mother suffering from rubella and other viral infections during pregnancy, not only teratogenic, children are also susceptible to various diseases after birth. Some congenital diseases are not manifest at birth. Women with severe heart, liver, kidney and other organic diseases, pregnancy, or severe pregnancy