据报道，广东省每年新增重度地中海贫血患儿达4000余名，10年累计4万余名。加上轻、中度地中海贫血患儿，我国长江流域以南的两广和云贵地区的地中海贫血的发病率高达10％以上，令人忧虑的是，由于轻度地中海贫血的成人患者多无症状，如不进行婚前检查或产前筛查，这种遗传性疾病的发病率将无法降低。 因此，专家近期发出呼吁 It is reported that more than 4,000 newborns with severe thalassemia are annually reported in Guangdong Province, accumulating over 40,000 in 10 years. Coupled with mild to moderate children with thalassemia, the incidence of thalassemia in Guangdong, Guangdong and Guangxi regions south of the Yangtze River Basin in China is as high as 10% or more. What is worrying is that as many as adults with mild thalassemia have asymptomatic symptoms, Without prenatal screening or prenatal screening, the incidence of this genetic disease will not be reduced. Therefore, experts recently issued an appeal