AFI is a _________measure of amniotic fluid levels.  It is calculated by the __________of four quadrants of fluid.

The echogenic area in this image is most likely:

Common sonographic findings with Dandy-Walker syndrome include:

Increased nuchal  measurements >6mm is strongly associated with which of the following?

You are scanning a second trimester fetus and are able to obtain views of the heart and liver adjacent to eachother in the transverse plane. What is a possible diagnosis?

One can calculate a due date by subtracting three months and adding seven days to the first day of the LMP. What is this called?

In fetal circulation, a significant portion of blood leaves the right atrium through the ___.

An open spinal defect characterized by a protrusion of meninges and spinal cord through the defect, usually within a meningeal sac, is called which one of the following?

Which of the following may coexist with this finding?

The presence of a large fetal pleural effusion may cause which one of the following to occur?