What is the significance of the 20-week anatomy scan?

The 20-week anatomy scan, often referred to as the mid-pregnancy ultrasound, holds significant importance in prenatal care primarily because it is designed to assess fetal development and detect any structural abnormalities. During this ultrasound, healthcare providers can evaluate the overall growth and development of the fetus, including the measurement of various anatomical structures, such as the heart, brain, spine, and limbs.

This scan is crucial as it allows for early identification of potential issues that may require medical intervention or closer monitoring throughout the pregnancy. It can also help in assessing the placental position, amniotic fluid levels, and various other aspects that contribute to a healthy pregnancy outcome.

While confirming pregnancy could be a purpose of earlier ultrasounds, by the 20-week mark, this is no longer necessary. Monitoring maternal weight gain is guided by overall health assessments and not specific to the 20-week scan. Although some parents may wish to know the gender of the baby during the anatomy scan, this is a secondary consideration and not the primary purpose of the examination. Thus, the anatomy scan's main function is to provide critical insights into fetal health and development during the mid-pregnancy stage.