Treisser A, Flori E, Sussmann M, Ruch J V, Renaud R
J Gynecol Obstet Biol Reprod (Paris). 1985;14(5):583-5.
The authors report a diagnosis of trisomy 21 in the 11th week following the last menstrual period in a patient of 40 years of age. This was made by chorion villi aspiration and direct cytogenetic examination.
作者报告了一名40岁患者在末次月经后第11周经绒毛取样及直接细胞遗传学检查诊断为21三体综合征。