These include:
- crown-rump length
- biparietal diameter
- head circumference
- femur length
- trasnverse thoracic diameter
- thoracic circumference
- abdominal diameters
- abdominal circumference
- abdominal area
- crown-rump length times trunk area
- lengths of the humerus, radius, ulnar
- lengths of the tibia and fibula
- trans-cerebellar diameter
- trans-orbital diameter
- ear length
- clavicular length
- foot length
- thigh diameter
- thigh circumference
- fractional spine length
- spine length
- kidney length
- total intrauterine volume
- amniotic fluid index
- liver volume ..... and a few others.