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近年来,由于预防保健工作的大力开展,诊断治疗工作的迅速进步,多种疾病特别是感染性疾病的发病率大为下降,遗传性及先天性疾病的发病数则相应上升,加之优生优育受到普遍重视,遗传与先天性疾病的诊断、预防及治疗工作已受到广泛注意。环境污染、放射线损伤、致畸致突变药物增多、吸烟、酗酒等,使遗传和先天性疾病大为增多,遗传和先天性疾病已达数千种。虽然多数疾病
In recent years, due to vigorous prevention and care work, the rapid progress of diagnosis and treatment, a variety of diseases, especially the incidence of infectious diseases decreased significantly, the incidence of hereditary and congenital diseases, a corresponding increase, combined with prenatal and postnatal care by The general attention, genetic and congenital diseases diagnosis, prevention and treatment work has received widespread attention. Environmental pollution, radiation damage, increased teratogenic and mutagenic drugs, smoking, alcoholism, etc. have greatly increased genetic and congenital diseases, and genetic and congenital diseases have reached thousands. Although most diseases