Genetic amniocentesis in multiple gestation: a new technique to diagnose monoamniotic twins.
Injection of indigo carmine dye mixed with air into the amniotic sac under ultrasound guidance during genetic amniocentesis on twins is described. This technique can reliably detect monoamniotic twins and clearly differentiate diamniotic twins, thereby facilitating accurate needle insertion into the second sac during amniocentesis.
Department of Obstetrics and Gynecology, University of California, Los Angeles School of Medicine.
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D000328:Adult; D000649:Amniocentesis / Q000379:methods*; D001034:Apgar Score; D005070:Evans Blue; D005260:Female; D006801:Humans; D007203:Indigo Carmine; D007231:Infant, Newborn; D007621:Karyotyping; D011247:Pregnancy; D011272:Pregnancy, Multiple / Q000235:genetics*; D014427:Twins; D014463:Ultrasonography
D005070:Evans Blue; D007203:Indigo Carmine