A new report shows the brains of autistic children, who suffer from the disorder tied to a combination of contributing factors from genes to the environment, have differences in regions that develop during the mother's second trimester of pregnancy.
Complement component 4 is a blood test that measures the activity of a certain protein that is part of the complement system. The complement system is a group of proteins that move freely through your bloodstream.
The only way to know if someone has Hepatitis C is to get tested. Doctors use a blood test, called a Hepatitis C Antibody Test, to find out if a person has ever been infected with Hepatitis C. The Hepatitis C Antibody Test looks for antibodies to the Hepatitis C virus.