If there are concerns, such as genetic risks or family histories, doctors will order an MRI, which uses magnetic resonance technology, for a more detailed look at certain parts of the baby's anatomy.

The baby is finally sleeping, pressed firmly against his mother’s chest, and so is still enough for the MRI to see inside his head. A single MR image, like this one, takes several minutes to ...

There is no known risk to the baby or the mother with this test. MRI (magnetic resonance imaging) relies on a magnetic field and radio waves to "eavesdrop" on the body's electromagnetic transmissions.