Schütz M, Bredow V, Grabow D, Wehnert M
Zentralbl Gynakol. 1985;107(18):1114-7.
Report on first experiences in chorionic villi sampling in the first trimester of 131 pregnancies. Chorion biopsy was performed just before termination of pregnancy in the 9th-11th week of gestation. Of 3 tested biopsy methods we found the biopsy with a flexible forceps under guidance of real-time ultrasound to be the best.
131例妊娠早期绒毛取样的首次经验报告。绒毛活检在妊娠9至11周、终止妊娠前进行。在3种测试活检方法中，我们发现实时超声引导下使用柔性钳进行活检是最佳方法。
