A–Z Glossary

Structural abnormality

A structural abnormality is an ultrasound finding in which a fetal organ or body part appears different from its expected development.

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Anatomy scan (20-week ultrasound)

Anatomy scan (20-week ultrasound)

What is the anatomy scan? The anatomy scan is a structured ultrasound examination performed in the second trimester to evaluate fetal anatomy and growth. It is commonly called the 20-week ultrasound because it often takes place near the halfway point of a 40-week pregnancy, though the usual window is approximately 18 to 22 weeks. Unlike […]