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A new cervical introducer for embryo transfer with soft open-end catheters
1Department of Gynecology and Obstetrics, Stanford University School of Medicine, California.
Fertility and Sterility
|April 1, 1992
Abstract:
Fine open-end ET catheters offer several benefits and are now commonly used in IVF-ET procedures. However, they are not always easy to thread into the uterine cavity. We describe a metallic cervical cannula that allows the use of the popular Tomcat catheter in the majority of patients in whom we were unable to achieve a successful ET with the Tomcat alone.

