The amniocentesis test is a prenatal diagnostic test (test done during pregnancy) that involves taking a sample of the amniotic fluid surrounding the fetus in the uterus during pregnancy. It is typically performed during the second trimester, between 15 and 20 weeks of pregnancy.
UNOSSIFIED NASAL BONE / ABSENT NASAL BONE IN SCAN – WHAT DOES IT MEAN?
It refers to a finding on ultrasound that nasal bone is not seen or appears small. It is due to delayed ossification of the nasal bone. In the report, it may be mentioned as either unossified, absent or hypoplastic nasal bone.