The anterior atrium of the lateral ventricle is more reliable than the posterior atrium of the lateral ventricle in order to evaluate the atrium width because the walls of the anterior lateral ventricle are clearer.

The orbit distance is the same as inner orbital distance.

In the fetal circulation there are three bypasses (ductus venosus, foramen ovale, and ductus arteriosus) different to the adult circulation.

The least reliable indicator of gestational age is?

The three lines sign or hamburger sign indicates?

If you need to measure the BPD, in the ultrasound image the cerebellum has to be present?

The fetal heart axis normally points to:

In a sagittal plane the spine appears like:

The foramen ovale communicates?

Nuchal fold normal value is?