天气预报 > 其他 > 胎停生唐氏儿几率有多少
胎停生唐氏儿几率有多少
更新时间: 2020-11-04 00:00:00  

唐氏综合征在人群中发病的机率为1/800。孕妇年龄>35岁,胎儿发生唐氏的风险增加。若为唐氏儿,下次妊娠时:一、自然受孕,再次发生的机率小,孕期做产前诊断;二、直接做第三代试管,PGD和PGS可以筛选染色体无异常的胚胎进行植入。

关键词: 几率 多少

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