What is in the biochemical analysis of blood ALT and AST, as the stands. And than at higher ALT (144)?

Respond Tatyana Stepanova, a gastroenterologist, hepatologist An increase in ALT should be tested for hepatitis C and B. Give blood for antibodies to hepatitis C virus and HBsAg. Similar question: Hello! I have 20 weeks of pregnancy, blood chemistry showed: AST-101, ALT-201. Is it really dangerous?