Chorionic villus sampling - series
Procedure, part 2 - transcervical
If your surgeon uses a transcervical procedure, he opens your vagina with a speculum and eases a thin catheter through it and your cervix.
Your surgeon then moves the catheter to the chorionic villi with the guidance of an ultrasound. He checks the fetus' position on the ultrasound screen so he can maneuver the catheter within the uterus without harming the fetus.
Update Date: 6/5/2010
Updated by: Linda J. Vorvick, MD, Medical Director, MEDEX Northwest Division of Physician Assistant Studies, University of Washington, School of Medicine; Susan Storck, MD, FACOG, Chief, Eastside Department of Obstetrics and Gynecology, Group Health Cooperative of Puget Sound, Redmond, Washington; Clinical Teaching Faculty, Department of Obstetrics and Gynecology, University of Washington School of Medicine. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.
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