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Ultrasound |
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For other meanings of "ultrasound" or "ultrasonic", see ultrasound (disambiguation). A baby in its mother's womb, viewed in a sonogram (brightness scan) A baby, aged 29 weeks, in a "3D ultrasound" Ultrasound is sound with a frequency greater than the upper limit of human hearing, this limit being approximately 20 kilohertz (20,000 hertz). Ability to hear ultrasound Some animals, such as dogs, dolphins, bats, and mice have an upper limit that is greater than that of the huma ...
Wikipedia - [full article]
Ultrasound Organizations
- National Women's Health Information Center http://www.4woman.gov/
- Mayo Foundation for Medical Education and Research http://www.mayoclinic.com
- March of Dimes Birth Defects Foundation http://www.marchofdimes.com/
- Radiological Society of North America http://www.rsna.org/
- American College of Obstetricians and Gynecologists (ACOG) Resource Center http://www.acog.org/
- Cancer Information Service, NCI, NIH, HHS http://cis.nci.nih.gov/
Resources
- Cancer Facts - Improving Methods for Breast Cancer Detection and Diagnosis
- Office visits throughout your pregnancy (Mayo Foundation for Medical Education and Research)
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