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Health Library

Welcome to the comprehensive Health library of Maternal Gynerations. The information shared below is provided to you as an educational and informational source only and is not intended to replace a medical examination or consultation, or medical advice given to you by a physician or medical professional.

Prenatal UltrasoundEmbarazo: Ecograf­a prenatal

Prenatal Ultrasound

Ultrasound is a common prenatal procedure used even in low-risk pregnancies to confirm your due date or assess your baby's health. If there are any concerns that your baby may be at risk, ultrasound can help provide the information your doctor needs to give you the best possible prenatal care.

Woman undergoing ultrasound test.
The transducer sends out sound waves and then picks up their echo.

Using Sound to See Your Baby

During ultrasound, high-frequency sound waves pass through your body and your baby. You can't hear the sound waves, but the ultrasound equipment can. It converts them to a visual image on a monitor, allowing you and your doctor to "see" the baby inside your uterus.

During Abdominal Ultrasound

While you lie down on the examination table, a layer of gel or oil is applied to your abdomen so the sound waves more easily reach your baby. Then the transducer is slowly moved back and forth over your abdomen. The procedure is painless and takes less than half an hour.

A sonogram
The image on the TV monitor is called a sonogram.

During Vaginal Ultrasound

The transducer is covered with a condom or other sterile latex shield. Then it is inserted, like a tampon, into your vagina. You should have little discomfort during the test, which usually takes less than half an hour to complete.

A Special Note

Before the test, you may be asked to drink liquids so you have a full bladder. This may cause temporary discomfort, but gives a "landmark" to locate your uterus. It also helps make the image clearer.

Publication Source: American Pregnancy Association

Publication Source: Dr. Spock.com

Online Source: American Pregnancy Association

Online Source: Dr. Spock.com

Date Last Reviewed: 2007-01-15T00:00:00-07:00

Date Last Modified: 2002-07-09T00:00:00-06:00


For excellent fertility, obstetrics and gynecology services, visit Maternal Gynerations in Lawrenceville or Dacula. We provide family planning consultations and gynecologic cancer screening. Call 770.513.4000 or visit our Patient Portal to view your account or schedule your consultation with us. Our patients come to us from Dacula, Lawrenceville, Suwanee, Winder and Buford.

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