Ultrasound: Guide To Purpose, Preparations, And Procedure!


The rising technology and medical appliances have made every possibility easier, from knowing what is inside the body to what treatment can be done to make a person safe and better. Ultrasound is an imaging technology used to diagnose, monitor, and treat various medical issues. Although ultrasound is related to pregnancy, where the baby’s positions and conditions are analyzed, it is also used in knowing various health conditions like throat cancer, stones position, or other issues.

Ultrasound is done by using sound waves to generate live images of tissues, organs, or fluids. Moreover, if you are a new patient and want more information about this procedure and how it benefits by analyzing issues, let’s explore this article. Here is the in-depth knowledge about ultrasound, its purpose, how it is prepared, and what associated procedures. 

What Is Ultrasound And Its Types?

Ultrasound is also termed ultrasonography or sonography, which is done for various reasons. It also detects the echoes with the help of reflected sound waves and creates a picture that is recorded on the monitors. Further, multiple types of ultrasound are used in treating many diseases and emergency conditions.


Some of them are given below:

  • Pregnancy ultrasound, also called prenatal ultrasound, defines the baby’s structure and position inside the womb.
  • Diagnostic ultrasound is another type that is used to examine the internal organs of the abdomen, such as the liver, gallbladder, pancreas, spleen, and others.
  • Further, female pelvic ultrasound is done to analyze to look at the female pelvis, uterus, cervix, fallopian tubes, and ovaries.
  • Also, a breast ultrasound is done to know breast cancer cells, lumps, etc.
  • Doppler ultrasound is done to monitor the blood flow within the arteries and veins.

What Are The Purposes Of Doing Ultrasound?

Ultrasound is an important procedure that is used for different medical purposes.

Some of the purposes are:

1. Helps In Examining Different Health Issues 

There are many abnormal health conditions like continuous stomach pain, fetus abnormalities, swelling, or other symptoms that require image diagnosis and further treatments. So, it helps in examining these issues that help guide surgeons and remove those issues.

2. Helps In Effective Pregnancy 

Ultrasound is mostly performed on worms dealing with pregnancy to know the mother’s womb and the fetus’s conditions. Also, it helps in confirming that the woman is pregnant or pinging through underlying diseases. Besides, it also helps in checking that you are pregnant with more than one fetus, or it may cause difficulty in the future.

3. Knowing Cancer Cells 

Performing ultrasound can prevent many chronic diseases like cancer as it helps to analyze the growth of any cancer cells or other particles within the body. It finds the abdominal tissue and cells and thereby helps doctors in treating the situation. 

4. Knowing the Conditions Of Organs

Another advantage of doing an ultrasound is that it helps in knowing the condition of organs and helps in viewing blocked or growths in the organs like the liver, gallbladder, thyroid, and more. It further helps in analyzing the blood flow and organs’ health conditions. 

5. Identifying Women’s Reproductive Health

There are many underlying health conditions in women, like ovarian cysts, uterine fibroids, and tumors that can be cancerous and non-cancerous. So, performing an ultrasound can ease knowing the conditions and thereby get treatment.

What Preparations Should You Do Before Ultrasound?

  1. When you are suffering from pregnancy or certain crucial conditions, knowing the nearby ultrasound center can help you prevent further complications, as long distances can affect your health.
  2. Proper intake of food and drinks must be considered as this diagnosis is done on an empty stomach. Your healthcare provider may ask you to fast for 8 to 10 hours and drink only water to imagine the pictures properly inside the body.
  3. You can usually take the medication as prescribed by your healthcare provider but before a few hours.
  4. It is necessary to take your guardians or someone who can help you while taking the test for emotional support.
  5. Moreover, you have to bring all medical reports, a history of previous scans, and other required documents to ease into taking ultrasounds. 

The Procedure Of Ultrasound

It is performed by applying the gel to the skin before using the probe machine that scans the images inside the body. Let’s know the procedure for performing an ultrasound-

Before The Test:

  • Ultrasound is a simple procedure that does not require any special preparations. However, there are some points that must be remembered before going for a test like-
  • You must wear loose-fitting clothes so that it is used while diagnosing and applying gel.
  • Your doctor may ask many questions before the test related to medical history and current situations so that they can analyze based on it.
  • You may refrain from eating much, and they will suggest drinking only water until you feel like urinating. 
  • Also, there is no requirement for anesthesia or sedation as it is not painful.

During The Test:

  • When the ultrasound is going to be performed. You will likely lie down on the examination table and further position yourself depending on the area examined. 
  • After some minutes, they will apply the gel to the transducer or to the body. Afterward, the doctor will gently press the probe over the body, and if you feel a little harder, let them know.
  • Usually, It takes about 20 to 30 minutes, but it may take longer to get specific results. 

After The Test:

Once the test is performed, your doctor may ask to wipe off the remaining ultrasound gel and provide further instructions. Furthermore, after a few minutes, you may be able to go back home and do your normal daily activities.

Key Takeaways

Ultrasound is an important medical examination that can clearly identify health issues and helps doctors treat them by surgeon, medication, or observation. Besides, it helps to create a real-time picture using sound waves inside the body. Moreover, it is generally painless and works differently from an X-ray.

Also, it is performed by sending out a high frequency aimed at the part of the body that is going to be examined. It helps screen, diagnose, and treat any health issues. It helps to improve the image quality and effectively helps waves to pass the body. 


  1. Cleveland Clinic [Internet]. Cleveland (OH): Cleveland Clinic; c2022. Ultrasound;[reviewed 2022 Apr 12; cited 2022 Dec 19]; [about 16 screens]. Available from: https://my.clevelandclinic.org/health/diagnostics/4995-ultrasound
  2. ACOG: Women’s Healthcare Physicians [Internet]. Washington D.C.: American College of Obstetricians and Gynecologists; c2022. Ultrasound Exams; [reviewed 2021 Oct; cited 2022 Dec 19]; [about 6 screens]. Available from: https://www.acog.org/womens-health/faqs/ultrasound-exams

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Dr. David G Kiely is a distinguished Medical Reviewer and former General Medicine Consultant with a wealth of experience in the field. Dr. Kiely's notable career as a General Medicine Consultant highlights his significant contributions to the medical field.

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