First-trimester diagnosis on chorionic v
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BjΓΆrn Gustavii; M. Alan Chester; HelΓ©ne Edvall; Serafim Iosif; Ulf Kristoffersso
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Article
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1984
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Springer
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English
β 414 KB
An improved technique for direct vision chorionic biopsy that gives a clear view of the amniotic sac was developed. With this technique, used in 48 women prior to vacuum aspiration and in six cases for diagnosis (karyotyping or enzyme analysis), it was possible to obtain chorionic villi free from co