[妊娠早期的胎儿染色体研究]
[Fetal chromosome studies in the first trimester of pregnancy].
作者信息
Midian S A, Okoev G G, Mirzoian A S, Vanetsian A L, Kazanchian N V, Kiandarian I G
出版信息
Tsitol Genet. 1990 May-Jun;24(3):27-30.
PMID:2238095
Abstract
The possibility of transcervical biopsy of chorion by the method of forceps and production of "direct" preparations of chromosomes in the first trimester of pregnancy has been studied. Satisfactory preparations are obtained during short-term incubation of villi for 24 and 48 hours. Portion of complete metaphases constitutes 0.23.
摘要
研究了在妊娠早期通过钳取法经宫颈活检绒毛膜并制作染色体“直接”标本的可能性。绒毛在短期培养24小时和48小时后可获得满意的标本。完整中期相的比例为0.23。
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