Development of an improved technique for first-trimester microsampling of chorion
- 1 December 1983
- journal article
- research article
- Published by Wiley in BJOG: An International Journal of Obstetrics and Gynaecology
- Vol. 90 (12) , 1113-1118
- https://doi.org/10.1111/j.1471-0528.1983.tb06456.x
Abstract
Six different methods of chorion biopsy were compared and assessed in 45 patients in the first trimester of pregnancy. A total of 103 biopsies was obtained; it was found that the most reliable, accurate and safe method combined direct transcervical endoscopy with real-time ultrasound scanning, using an aspiration needle.Keywords
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