本人怀孕22周4天，之前只做了NT，1.2mm，后来因为疫情问题一直没检查，错过了唐氏筛查的时间，医生建议做无创dna，然后我做的是安诺优达的无创dna，花费了3500元，请问这个价格算不算很贵啊？我看开发者_如何学运维[详细]
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