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Re: no subject received Wed, 16 Oct 2002 14:56:28 -0500From: Philippe Jeanty. MD, PhD (jeanty@TheFetus.net)Tue Oct 22 08:38:04 2002
Hey Jim.... Are these comment documented evidences or personal opinions ? Do folks who use 3D expose the fetus longer then folks who do not ? what is the average time of exposure in your environment ? What typical values of MI and TI do you have on your images ? I would think that the issue is way more complex then your note let it appear, and that your note, by simplifying too much may give a distorted view to reality. Would you possibly reconsider the statements you made ? -----Original Message----- From: ultrasound@obgyn.net [mailto:ultrasound@obgyn.net] On Behalf Of James S Smeltzer MD Sent: Monday, October 21, 2002 10:19 PM To: Multiple recipients of list ULTRASOUND Subject: Re: no subject received Wed, 16 Oct 2002 14:56:28 -0500
At 02:59 PM 10/16/2002 -0500, you wrote:
>Hi my name in Fabiola savinovich and I am 29 weeks pregnant. i would like Hi Fabiola! Usually a 3-D ultrasound does not obtain more information about your baby than a skilled examiner gets with a regular ultrasound. It does deliver more total energy to the baby. We know this is heat. We also know that heat is a known cause of birth defects in the first 3 months inside. Right now lots of women are using their babies as guinea pigs to see if this is enough heat to be a problem or not. Once a few million women have had this test and had follow-up on their babies we may know that it is safe. Then again we may know that it is risky. If you or the baby's father have some problems with the development of the skeleton or certain physical deformities that might be inherited, then this may be a better test for you despite this potential risk. Otherwise I would talk the unknown risk and benefits over with your doctor. In general it is usually wise to let someone else use their baby as a guinea pig and avoid exposing your baby to unknown and new things until they are known to be safe, unless they are the best possible medical alternative for some other reason. Jim Smeltzer, MD
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