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Fetal Ultrasound

Fetal ultrasound uses reflected sound waves to provide an image of the fetus and placenta. Fetal ultrasound is the safest way to obtain information about the fetus, such as its size, position, age, and condition.

During a fetal ultrasound, a small handheld instrument called a transducer is used to direct sound waves through the pregnant woman's abdomen. A computer analyzes the sound waves that are reflected back from the fetus and other structures in the uterus and converts them into an image. Fetal ultrasound can be done by moving the transducer across the woman's abdomen (transabdominal) or by inserting the transducer in her vagina (transvaginal). After about the 11th week of pregnancy, almost all fetal ultrasounds are done using the transabdominal method.


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This search will provide you with WellSpan Medical Group and Northern Lancaster County (Ephrata) Medical Group primary care physicians and specialists. If we don’t have a WellSpan Medical Group physician to meet your criteria, the search will expand to include community physicians who partner with WellSpan Medical Group physicians through the WellSpan Provider Network or provide care to patients on the Medical Staffs of WellSpan’s Hospitals.

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