The word 'foetometry' refers to the measurement of the size of a fetus. However, there are several synonyms which can be used in place of 'foetometry'. These include 'fetal biometry', 'fetal measurements', 'ultrasound biometry' and 'sonographic measurements'. These synonyms are often used in medical contexts and are essential for accurately tracking the growth and development of a fetus during pregnancy. In addition to this, they can help identify any potential health concerns early on, allowing for prompt intervention and care. Whether it's called foetometry or one of its synonyms, the importance of fetal measurements cannot be overstated, as it's crucial for ensuring the health and well-being of both mother and child.