Ultrasound unsafe

[Guest guest]

From Bari

See the attached ... Very interesting...

A new study: " Ultrasound Can Affect Brain Development " is bringing attention

to what has become a routine prenatal procedure. The use of ultrasound has

dramatically increased in prenatal care however, its safety and efficacy are

still highly questionable. Even the FDA cautions, " While ultrasound has been

around for many years, expectant women and their families need to know that

the long-term effects of repeated ultrasound exposures on the fetus are not

fully known. "

Most studies and authorities recommend that ultrasound is safe only when

" medically necessary " . The question really comes down to personal

practitioner opinion: " what warrants medical necessity? " Here is where

interpretation is undefined and practice protocol ranges vastly. While ACOG

recommends that ultrasound examinations be done for specific reasons, such

as a suspected ectopic pregnancy, a possible miscarriage or detection of

possible birth defects, many physicians include at least one examination as

part of routine care, usually at 18 to 20 weeks of pregnancy. Subsequent

ultrasounds throughout pregnancy are not uncommon. The March of Dimes Birth

Defects Foundation estimates that 70 percent of American women have at least

one ultrasound examination during their pregnancy.

Perhaps a more prudent and safer approach would be to clearly define medical

necessity as " life saving " and forgo prenatal ultrasound procedures for less

relevant reasons. The original axiom of medicine " first do no harm " should

always be considered when determining " medical necessity " for ultrasound.

" Lack of risk has been assumed because no adverse effects have been

demonstrated clearly in humans. However, other evidence dictates that a

hypothetical risk must be presumed with ultrasound. Like-wise, the efficacy

of many uses of ultrasound in improving the management and outcome of

pregnancy also has been assumed rather than demonstrated, especially its

value as a routine screening procedure.

http://www.ob-ultrasound.net/joewoo3y.html

In accordance with medical protocol, the safety and efficacy of prenatal

ultrasound has not yet been proven via peer reviewed research. On the

contrary, current studies are cautioning its use. Prenatal ultrasound,

therefore may even be interpreted as, " experimental and investigational " .

Now a new study presents data we have suspected all along: ultrasound may

affect brain development...

A new study warns, exposure to ultrasound can affect fetal brain

development. Head researcher, Pasko Rakic, is chairman of the neurobiology

department at Yale University School of Medicine. Although Rakic says, " Our

study in mice does not mean that use of ultrasound on human fetuses for

appropriate diagnostic and medical purposes should be abandoned " he did,

however add that " women should avoid unnecessary ultrasound scans until more

research has been done. "

The study, funded by the National Institute of Neurological Disorders and

Stroke revealed that when pregnant mice were exposed to ultrasound, a small

number of nerve cells in the developing brains of their fetuses failed to

extend correctly in the cerebral cortex. The paper added that the since the

developmental period of these brain cells is much longer in humans than in

mice, that exposure would be a smaller percentage of their developmental

period. However, the authors also made it clear that brain cell development

in humans is also more complex than in mice and with more cells developing,

the chances of developmental mishaps could be increased.

In Rakic's study, pregnant mice were exposed to ultrasound for various

amounts of time ranging from a total exposure of 5 minutes to 420 minutes.

The brains of the newborn baby mice were studied and compared with those of

mice whose mothers had not been exposed to ultrasound.

The study of 335 mice concluded that in those whose mothers were exposed to

a total of 30 minutes or more, " a small but statistically significant

number " of brain cells failed to grow into their proper position and

remained scattered in incorrect parts of the brain. The number of affected

cells increased with longer exposures.

Prenatal exposure to ultrasound waves impacts neuronal migration in mice.

--------------------------------------------------------

Sheri Nakken, R.N., MA, Hahnemannian Homeopath

Vaccination Information & Choice Network, Nevada City CA & Wales UK

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[Guest guest]

I wish I had known all this before my son was born. I had an Amnio

wich wasn't necessary and spent 3 weeks worrying about the results.

Why do doctors not tell you? And they are supposed to " do no harm " .

That oath is worth nothing!

Ingrid