Coarctation of aorta: Narrowing of the aorta, the large blood vessel that delivers oxygen-rich blood to the rest of the body by branching out into smaller arteries.

Cardiac situs: Refers to the position of the heart. Situs solitus is the normal position of the organs in the thorax and abdomen region. Situs inversus is a congenital condition in which major internal organs are reversed or mirrored from their normal positions.

Nuchal translucency: Increased collection of fluid under the skin at the back of the fetus’ neck. The measurement is taken between 11 weeks plus two days and 14 weeks plus one day of pregnancy. It can also be taken when the size of the fetus measures between 45 mm and 84 mm.

Nuchal fold thickness: By the second trimester, the translucency of the nuchal fold is measured instead of nuchal translucency as the fluid cannot be seen.

Anti Rho/La positive: They are anti-nuclear auto-antibodies that are associated with autoimmune diseases.