1 doctor weighed in:

How do doctors measure a baby's development with ultrasound?

1 doctor weighed in
Dr. David Griffith
Radiology

In brief: Obstetrical Dating

Scanning of the fetus in the first trimester can be performed either transabdominally or transvaginally.
Once a pregnancy has been documented, serial examinations are performed and measurements of the fetus, including head circumference, abdomen circumference, and femur length, are used to determine adequacy of growth and development. These parameters are compared to well-established norms.

In brief: Obstetrical Dating

Scanning of the fetus in the first trimester can be performed either transabdominally or transvaginally.
Once a pregnancy has been documented, serial examinations are performed and measurements of the fetus, including head circumference, abdomen circumference, and femur length, are used to determine adequacy of growth and development. These parameters are compared to well-established norms.
Dr. David Griffith
Dr. David Griffith
Thank
Get help from a real doctor now
Dr. Cindy Juster
Board Certified, Pediatrics
32 years in practice
2M people helped
Continue
108,000 doctors available
Read more answers from doctors