Posted on April 27th, 2017 by wombwithaviewblog.com
3D, 9 Weeks, ultrasound facts

3D 9 Week Embryo

Ultrasound Facts About General Stuff

  • Technically speaking, ultrasound is the study of the subject (the field of ultrasound) and a sonogram refers to the examination itself.
  • Current biohazard testing reveals no ill effects of ultrasound on the fetus, mother, or sonographer. However, ongoing tests show increasing levels of heat after scanning for several hours in one area. Over-scanning for long periods can cause cavitation or the creation of bubbles. This is much longer than the time required for performing a diagnostic test. Additionally, for this reason, only the prudent and diagnostic use of the technology is recommended by ACOG, ARDMS, and any other professional medical organization. The benefits of the information from diagnostic exams for patient and physician currently outweigh any known risk.
  • Ultrasound is just that…sound waves that operate at a frequency far beyond human hearing. Nope, Baby cannot hear the sound waves! Human hearing ranges from 20Hz to 20,000Hz. Diagnostic ultrasound operates in the millions of Hertz. Ultrasound probes range from about 2 – 13MHz.
  • Ultrasound is sound waves, NOT radio waves. No radiation is emitted by ultrasound equipment or Dopplers utilized by your physician to detect Baby’s heartbeat.
  • 4D is 3D in motion or a live 3D image.
  • Most people are familiar with 3D imaging as a fun way to see the outside of their baby. Additionally, the best and cutest 3D images are obtained later in the 2nd trimester or very early in the 3rd. Baby’s skin has developed more fat at this point which makes for chubbier cheeks!

 

Ultrasound Credentials for Sonographers

  • Someone newly trained in the field earns the credentials of DMS or Diagnostic Medical Sonographer. He or she has completed some sort of formal or on-the-job ultrasound training. This person is usually relatively inexperienced and has not yet passed the registry examination. This person should have direct supervision in performing your examination.
  • RDMS stands for Registered Diagnostic Medical Sonographer. A sonographer earns these credentials when he or she has passed a registry examination in his/her ultrasound specialty. Moreover, a certified sonographer will typically have at least two years of experience.
  • Not everyone who scans an expectant mom in a 3D non-medical business is a certified OB sonographer. Some have no formal ultrasound training whatsoever! These businesses are not regulated like medical practices. They may not be knowledgeable of or follow guidelines for equipment maintenance. Ultrasound equipment that is not properly maintained can be an electrical hazard for mother and/or fetus!!!

 

Ultrasound Facts About Performing Your Exam

  • Every practice is different. Most physician’s order a first-trimester ultrasound examination to date the pregnancy. This is usually performed with a vaginal probe. If no other problems necessitate another scan, the next is performed around 18-20 Weeks. Most women know this scan as the anatomy screen where we evaluate fetal and maternal parts for abnormalities. This study is not ordered to determine sex! Also, important to note here is that determining sex is never a guarantee, nor should it be an expectation. However, most sonographers will happily provide the info if at all possible!
  • The health of your pregnancy determines whether you will receive more ultrasound scans later in your pregnancy.
  • 2D ultrasounds are the grey-scale images you might recognize during your diagnostic examinations. Occasionally, a high-risk practice (MFM or Maternal Fetal Medicine) will usually also use 3D to assist in visualizing a fetal abnormality. We also frequently use the technology for GYN scans to attempt a better look at uterine shape and/or IUD placement.
  • Ultrasound cannot predict how much your baby will weigh at birth. While we can measure your baby’s head, belly, and femur for an educated guess for weight at the time of your scan, a large discrepancy for weight determination exists due to fetal position and sonographer inexperience or skill. We can typically track a trend for large or small babies. We know the average gained weight in the last few weeks is about 1/2 lb per week. However, every baby is different!

 

Ultrasound Facts About Fetal Sex

Most expectant moms today already know this little fact. The ultrasound machine is never “wrong” in determining fetal sex. Actually, it is the observer who is incorrect!

Guessing the wrong sex can be due to one or a combination of many factors. It is possible your baby was in a difficult position to see well. Maybe you were too early in your pregnancy for an accurate guess or your sonographer is inexperienced. In addition, an overall poor view can also limit fetal sex determination!

Ultrasound Facts About Your Ultrasound Results

Yes, the sonographer can read your examination. However, your OB/GYN physician or radiologist must ultimately interpret the images and report we create. Consequently, only your physician can legally give you results!!!

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Patients ask me these questions on a very regular basis. I hope it was helpful! Feel free to email me at wombviewerblog@gmail.com with your comments or questions!

Thanks for reading!

wwavblogger, RDMS
wwavblogger, RDMS

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