TORCH refers to the 10 tests for eugenics. Each letter of TORCH stands for a different pathogen. The letter T is for Toxoplasma gondii; O is for other microorganisms; R is for rubella virus; C is for cytomegalovirus; and H is for herpes simplex virus. The above pathogenic microorganisms can easily cause embryonic arrest or fetal development malformation, or even miscarriage or premature birth. And some pathogenic microorganisms are contagious, such as: rubella virus, cytomegalovirus, etc. In the 10 test reports, (-) means negative, which means no such pathogenic microorganism, (+) means infected with such pathogenic microorganism, IgG means antibody has been developed, IgM means currently in the infection stage.