Re: Amnio vs CVS vs Ultrasound

From: ainsron (ainsron@sbcglobal.net)
Mon Mar 31 14:52:02 2008


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It depends on what she wants, does she want screening or a diagnostic test? If she accepts screening, she needs to understand there can be false positives as well as false negatives. The earliest screening option is first trimester screening- nuchal translucency, PAPP-A, HCG. If she wants diagnostic testing, either CVS or amnio. If termination is a serious consideration/option for this patient, the CVS gives you earlier information re. aneuploidy but no information regarding neural tube defects.

Ronald E. Ainsworth, MD, FACOG

From: ob-gyn-l@obgyn.net [mailto:ob-gyn-l@obgyn.net] On Behalf Of GIN11153@aol.com Sent: Monday, March 31, 2008 12:33 PM To: Multiple recipients of list OB-GYN-L Subject: Amnio vs CVS vs Ultrasound

If you had a patient who's newly pregnant at age 40, which of these 3 tests do you suggest a woman have to see if there's a Down's fetus, assuming blood tests have all been done. I know that CVS has a higher rate of miscarriage.

Gail

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