firsttrimester相关论文
Background Massively parallel sequencing of circulating cell-free fetal DNA from matemal plasma has been applied widely ......
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Lower uterine segment pregnancy with placenta increta complicating first trimester induced abortion:
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Clinical Value of Standardized Structural Screening by Ultrasound in Diagnosis of Fetal Central Nerv
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目的:分析唐氏综合征(Down syndrome,DS)胎儿孕早期母体血清miRNAs表达谱的改变为探讨血清miRNA在无创产前诊断唐氏综合征胎儿的应......
目标:①回顾正常的胚胎发展和早期妊娠失败的超声征象;②回顾异位妊娠的超声征象.结果:①妊娠失败的预测;②异位妊娠的超声鉴定.证......