Ultrasound (also called sonogram) is a prenatal test offered to pregnant women. It uses sound waves to show pictures of your baby in the uterus and can help your healthcare provider check on your baby's health and development.

Ultrasound and Missed Abortion or Miscarriage

A missed abortion or miscarriage can be diagnosed on ultrasound (sonogram) with several different signs. ... read more »

Down Syndrome - Ultrasound Sonogram Markers

There are several ultrasound markers for Down syndrome which can be seen on sonogram during pregnancy and which can possibly indicate an increased risk for the fetus having Down syndrome. ... read more »

Types of Ultrasound

The trusted transducer ultrasound is likely going to be a part of your prenatal check-up, but there may be a few additional ultrasounds in order that you will want to know about. ... read more »

Pyelectasis of the Fetus in Pregnancy

A pyelectasis is a dilatation of part of the kidney. At 21 weeks, the renal pelvis can often not be seen separately from the kidney. ... read more »

Safety of Ultrasound In Pregnancy

Although certain harmful effects in cells are observed in a laboratory setting, abnormalities in embryos and offsprings of animals and humans have not been unequivocally demonstrated in the large amount of studies that have so far appeared in the medical literature purporting to the use of diagnostic ultrasound in the clinical setting. ... read more »

Fetal Nuchal Thickness

NT or nuchal tranlucency is measured around 11-13 weeks of the pregnancy to assess the fetus for risk for Down syndrome and other anomalies. ... read more »

Intraventricular Hemorrhage (IVH) and Grading of Severity

An intraventricular hemorrhage, or  IVH, is bleeding into the ventricles of the brain. In infants, intraventricular hemorrhages are labeled by how severe the hemorrhage is. ... read more »

Enlarged Ventricle

The ventricles are fluid-filled spaces in the brain. The two major ventricle are the lateral ventricles. A lateral ventricle that's over 10 mm in size is usually considered enlarged (ventriculomegaly). ... read more »

Ultrasound Safety During Pregnancy

Ultrasounds have been used for more than 50 years to take images of the human body for diagnostic use. During pregnancy, women are often given at least one ultrasound to record fetal growth, number, orientation and development. ... read more »

When Can Fetal Heart Beat Be Seen?

When can the fetal heart beat be seen first on ultrasound? ... read more »