我们于儿科遗传咨询门诊中查见有两个先天性聋哑症家系,特报道于下。临床资料及家系调查例1 先证者为2岁男孩,吴川人。第二胎足月顺产。出生时无窒息,自幼身体健康,未患过耳疾或注射过链霉素、庆大霉素等药物。生后1～2个月发现对声音无反应,二岁时仍不会讲话。能模仿成人动作, We found two pedigrees with congenital deaf-mute pediatric genetic counseling clinics, especially reported below. Clinical data and pedigree investigation Example 1 The proband was a 2-year-old boy, Wu Chuanren. The second term full-term birth. No asphyxia at birth, since childhood, good health, no ear disease or injection of streptomycin, gentamicin and other drugs. 1 to 2 months after birth found no response to the sound, still can not speak at the age of two. Can imitate adult action,