Question: What is obstetric ultrasound used for?

Obstetric ultrasound uses sound waves to produce pictures of a baby (embryo or fetus) within a pregnant woman, as well as the mothers uterus and ovaries. It does not use ionizing radiation, has no known harmful effects, and is the preferred method for monitoring pregnant women and their unborn babies.

Can you see birth defects on ultrasound?

Fetal ultrasound during pregnancy can also show the possibility of certain birth defects. But ultrasound is not 100% accurate. Some babies with birth defects may look the same on ultrasound as those without problems.

When can you see facial features on an ultrasound?

27-40 Weeks: Generally, by this time the baby is head down, which is preferred. 27 to 40 weeks is the best time to get the up-close detailed pictures of the babys face in 3D/4D.

Why does my baby cover her face during ultrasound?

The placenta is attached to the uterine wall either in the front (called an anterior placenta), or in the back (a posterior placenta) or sometimes at the top(fundal). If the placenta is anterior, it will be over the top of babys face, making it harder to get perfectly clear photos.

How do you do an obstetric ultrasound?

The sonographer will apply a warm, hypoallergenic ultrasound gel to your abdomen and move a transducer around your belly to gather images of the fetus. The sonographer will move the transducer around the target area with moderate pressure to obtain images. This pressure should not cause pain.

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