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Genetic amniocentesis in multiple gestation: A new technique to diagnose monoamniotic twins.

Tabsh, Khalil MD
Obstetrics & Gynecology: February 1990
Instruments & Methods: PDF Only

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. (Obstet Gynecol 75:296,1990)

(C) 1990 The American College of Obstetricians and Gynecologists