Sometimes the radiologist determines that a transvaginal scan needs to be performed.
This technique often provides improved, more detailed images of the uterus and ovaries. This method of scanning is especially useful in early pregnancy. Transvaginal ultrasound is performed very much like a gynecologic exam. It involves the insertion of the transducer into the vagina after you empty your bladder. The tip of the transducer is smaller than the standard speculum used when performing a Pap test. A protective cover is placed over the transducer, lubricated with a small amount of gel, and then inserted into the vagina.
Only two to three inches of the transducer end are inserted into the vagina. The images are obtained from different orientations to get the best views of the uterus and ovaries. Transvaginal ultrasound is usually performed with you lying on your back, possibly with your feet in stirrups similar to a gynecologic exam. However, at times during an obstetrical ultrasound, the sonographer may have to press more firmly to get closer to the embryo or fetus to better visualize the structures.
Any discomfort is usually minimal and temporary. If a Doppler ultrasound study is performed, you may actually hear pulse-like sounds that change in pitch as the blood flow is monitored and measured. With transvaginal scanning, there may be minimal discomfort as the transducer is inserted into the vagina. When the exam is complete, you may be asked to dress and wait while the ultrasound images are reviewed.
After an ultrasound examination, you should be able to resume your normal activities immediately. A radiologist, a doctor trained to supervise and interpret radiology exams, will analyze the images.
The radiologist will send a signed report to the doctor who requested the exam. Your doctor will then share the results with you. In some cases, the radiologist may discuss results with you after the exam.
Follow-up exams may be needed. If so, your doctor will explain why. Sometimes a follow-up exam is done because a potential abnormality needs further evaluation with additional views or a special imaging technique. A follow-up exam may also be done to see if there has been any change in an abnormality over time. Follow-up exams are sometimes the best way to see if treatment is working or if an abnormality is stable or has changed. Obstetric ultrasound cannot identify all fetal abnormalities.
Consequently, when there are clinical or laboratory suspicions for a possible abnormality, a pregnant woman may have to undergo nonradiologic testing such as a blood test or amniocentesis the evaluation of fluid taken from the sac surrounding the fetus or chorionic villus sampling evaluation of placental tissue to determine the health of the fetus, or she may be referred by her primary care provider to a perinatologist an obstetrician specializing in high-risk pregnancies.
Please type your comment or suggestion into the text box below. Note: we are unable to answer specific questions or offer individual medical advice or opinions. Please contact your physician with specific medical questions or for a referral to a radiologist or other physician. To locate a medical imaging or radiation oncology provider in your community, you can search the ACR-accredited facilities database. This website does not provide cost information. The costs for specific medical imaging tests, treatments and procedures may vary by geographic region.
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Obstetrical & Gynecological Ultrasound
What is Obstetrical Ultrasound Imaging? What are some common uses of the procedure? How should I prepare? What does the equipment look like? How does the procedure work? How is the procedure performed? What will I experience during and after the procedure? Who interprets the results and how do I get them? What are the benefits vs. What are the limitations of Obstetrical Ultrasound Imaging?
Obstetric Ultrasound Examination (Position Paper)
A Doppler ultrasound study may be part of an obstetrical ultrasound examination. Doppler sonography is performed using the same transducer. Most ultrasound exams are painless, fast and easily tolerated. This ultrasound examination is usually completed within 30 minutes. Benefits Most ultrasound scanning is noninvasive no needles or injections.
Occasionally, an ultrasound exam may be temporarily uncomfortable, but it should not be painful. Ultrasound is widely available, easy-to-use and less expensive than most other imaging methods. Ultrasound imaging is extremely safe and does not use radiation. Ultrasound scanning gives a clear picture of soft tissues that do not show up well on x-ray images. Ultrasound is the preferred imaging modality for the diagnosis and monitoring of pregnant women and their unborn babies.
Ultrasound has been used to evaluate pregnancy for nearly four decades and there has been no evidence of harm to the patient, embryo or fetus. Nevertheless, ultrasound should be performed only when medically indicated. Ultrasound allows the doctor to see inside the uterus and provides much information about the pregnancy. Risks Standard diagnostic ultrasound has no known harmful effects on humans.
Send us your feedback Did you find the information you were looking for? Area code:. Phone no:. Abdominal sonogram procedure. Authors: Hansmann , M.
It will be a long time before the quality of this profusely illustrated book is overtaken and the present spate of books on the subject of obstetric ultrasound may, as a result, suffer a numerical set-back - especially with translation into English which will "deliver the milk on everyone's doorstep". Two of the authors studied in our department in Glasgow and worked like If there are any rewards for teaching, then we humble Scots who demons.
This transformation has come about, not by any efforts of mine, but by the enthusiasm and ingenuity of those who would probably have achieved as much on their own if given the encouragement which I ultimately received in Glasgow University life. Limbo must be the expected lot of most of us ordinary mortals but the work lives on.
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About this book It will be a long time before the quality of this profusely illustrated book is overtaken and the present spate of books on the subject of obstetric ultrasound may, as a result, suffer a numerical set-back - especially with translation into English which will "deliver the milk on everyone's doorstep". Show all. Mandfred et al. Multiple Pregnancy Pages Hansmann, Prof.
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