What is typically determined first in fetal echocardiography?

• A. Fetal position
• B. Abdominal situs
• C. Morphology of the chambers
• D. Fetal heart rate

Answer: (A)

Understanding where the fetus is and how it’s oriented in the uterus is the first step in fetal echocardiography. Knowing the fetal position (whether the head is up or down, and the overall presentation) tells you how to angle the transducer and which acoustic windows will yield the best views of the heart. With the correct orientation, you can align planes to obtain standard cardiac views (like the four-chamber and outflow tract views) and interpret structures accurately.

Abdominal situs is assessed as part of a broader situs evaluation, but this is done after you have established the imaging orientation. The heart’s morphology and chamber details are then evaluated within those correctly obtained views. Fetal heart rate is something you can measure once you’re imaging, but it isn’t the first step in planning the study. Hence, determining fetal position comes first to set up all subsequent assessments.