CVS vs. amniocentesis vs. nuchal translucency

Obstetrician Paul Crane, MD, explains the differences between CVS, amniocentesis, and nuchal translucency tests during pregnancy
Differences Between CVS, Amniocentesis & Nuchal Translucency Tests
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CVS vs. amniocentesis vs. nuchal translucency

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CVS and amniocentesis are two invasive techniques that can be utilized to rule out, definitively, Down Syndrome and other genetic diseases. Down Syndrome is an age-related that has a incidence of about 1/250 at age 35; and 1/100 in age 40. If people over 35 want to do a definitive test, they can do either of these two; depending on if they want to do it early, at 11 or 13 weeks with a CVS, or more in the range of 16 or 18 weeks with an amniocentesis. Amnio is done later, but it's a little safer and a little more accurate. In an increasing number, in today's world, we are doing screens of the nuchal translucency and screens in the mom, to calculate out people's risk. In the state of California, this is called The Nuchal Translucency Program. For people of all ages, people can do this to calculate out their risk, and determine if amniocentesis or CVS makes sense.

Obstetrician Paul Crane, MD, explains the differences between CVS, amniocentesis, and nuchal translucency tests during pregnancy

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Paul Crane, MD

Obstetrician

Paul Crane, MD, is a board-certified Obstetrician and Gynecologist and has practiced for more than 30 years. He specializes in natural childbirth and VBAC births in his practice in Beverly Hills. Paul is the father of six children ranging in age from 18 to 40. In his free time, he enjoys photography. Even after 30 years, one of his favorite things to do is deliver babies. 

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