1岁半患儿，至今不会独立行走，智力发育落后于同龄儿。査体：眼距增宽，鼻梁平，腭弓高，舌常伸口外，小指向内侧弯曲，通贯掌。面部无水肿，皮肤细嫩。无异常气味。该患儿母亲再次怀孕后产前诊断最佳方法是

试卷相关题目

SQL Error: select id,body,options from ***_enewstiku where sourceid='28774' and id < 2346090 and id<>'2346090' order by id desc limit 5 SQL Error: select id,body,options from ***_enewstiku where sourceid='28774' and id > 2346090 and id<>'2346090' order by id asc limit 5