A process to diagnose any Chromosomal abnormalities or infections in Fetus with the help of amniotic fluid(water around baby) is known as Amniocentesis. The most common reason to perform this test is to determine whether a baby has certain genetic disorders or a chromosomal abnormality, such as Down syndrome. Amniocentesis also helps to diagnose any intrauterine infection. These tests comes with their own risk factors thus highly equipped clinic and experienced expert doctors are always recommended.