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Objective: We report our experience with 1,251 chorionic villus samplings (CVS) performed by a single team of operators. Study design: From April 1984 through August 1993, 1,251 CVS were performed in 1,236 pregnancies. The transcervical route was used in the vast majority, and the sampling was performed during the 9th through 13th weeks of gestation in 1,193 cases (96%). Follow-up was ensured to...
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