Question
A 6-month-old baby cannot lift her head, can roll over, and has normal appetite. There are no significant abnormalities, but she sometimes shakes. What does the four-dimensional ultrasound show for chromosomal abnormalities?
Answer
The detailed examination of four-dimensional ultrasound mainly checks for any structural abnormalities in the fetus. This includes checking for any abnormalities in the development of the fetus’s limbs, defects in body surface structures, abnormalities in the development of internal organs, and any neural tube defects. Four-dimensional ultrasound cannot detect chromosomes. Chromosomes are genetic material that require special testing methods for diagnosis.