Obstetric Ultrasounds

Definitions and examples of Obstetric Ultrasounds are presented in two views.

facts

What is an Obstetric Ultrasound?

Obstetric Ultrasound scans are considered a safe, non-invasive, accurate and cost-effective investigation in and of a woman’s uterus and overies as well as of a fetus if one is present. It has become an indispensible obstetric tool the world over.

However, obstetric ultrasound is not limited to those only who are or think they are pregnant. Other uses for obstetric ultrasounds may be to screen for or diagnose any abnormalities in or around the ovary, uterus, or Fallopian tubes, such as growths or tumors. They can also aid in the diagnosis of uterine and pelvic abnormalities.

The majority of obstetric ultrasounds are done for pregnancies including:

Diagnosis and confirmation of early pregnancy.

An embryo can be observed and measured by about five and a half weeks. Ultrasound can also confirm if the site of the pregnancy is within the cavity of the uterus. A visible heartbeat may be seen and detected by pulsed doppler ultrasound by about 6 weeks and usually is clearly seen by 7 weeks.

Vaginal bleeding.

The viability of the fetus can be examined and documented in the presence of this occurrence. In the presence of first trimester bleeding, an ultrasound helps tremendously in the early diagnosis of ectopic pregnancies and molar pregnancies

Fetal size, weight and gestational age.

Fetal body measurements reflect the gestational age of the fetus. Ultrasounds for women in the latter part of pregnancy can measure body parameters and help assess the size and growth of the fetus. It may also assist in the diagnosis and/or management of intrauterine growth retardation (IUGR). The weight of the fetus at most any gestation age can also be estimated as well.

Diagnosis of malformations.

Abnormalities in the structure or growth of a fetus can be examined and diagnosed by with ultrasounds. With more recent or specialized equipment, conditions such as cleft lips/ palate and congenital cardiac abnormalities are more readily diagnosed and at an earlier gestational age than ever before. Chromosomal abnormalities are now being seen as well, enabling detection of Down syndrome fetuses.

Multiple pregnancies.

That’s right – twins! Even triplets or more. Ultrasounds are invaluable in determining the number of fetuses and the conditions and/or positions they are in.

Quantity of amniotic fluid.

Excessive or decreased amounts can be clearly depicted by ultrasound. Both of these conditions can have adverse effects on the fetus.

Ultrasounds are of tremendous value in other obstetric conditions such as the confirmation of intrauterine death and showing fetal presentations in uncertain cases.



Getting an Ultrasound:


Before the Ultrasound
During the Ultrasound
After the Ultrasound




examples

Two Views of Ultrasound test

Above: Patient receiving an ultrasound test.



Two Views of Fetus Ultrasound

Above: Print outs from an Ultrasound test of a healthy fetus inside the mother's healthy uterus.



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IMPORTANT: The information on this page, and throughout the entire site, is not intended to provide advice or treatment for a specific situation. Consult your physician and medical team for information and treatment plans on your specific condition(s). Images are shown for illustrative purposes. Do not attempt to draw conclusions or make diagnoses by comparing these image to other medical images, particularly your own.








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