You could be reading the full-text of this article now if you...

If you have access to this article through your institution,
you can view this article in


If you are an ACOG Fellow and have not logged in or registered to Obstetrics & Gynecology, please follow these step-by-step instructions to access journal content with your member subscription.

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

Tabsh, Khalil MD
Obstetrics & Gynecology:
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