Torch screen is a type of blood test prescribed for pregnant women to determine any

infectious disease that can be passed to the fetus during pregnancy or post delivery. This

helps in early detection and treatment to prevent any complications in the newborn. The

diseases that can be detected via Torch test include Toxoplasma IgG, Toxoplasma IgM,

Rubella IgG, Rubella IgM, CMV IgG, CMV IgM, Herpes simplex Virus 1 IgG, Herpes

simplex Virus 1 IgM, Herpes simplex Virus 2 IgG and Herpes simplex Virus 2 IgM. These

diseases can cross placenta and may cause birth defects in the newborn like chickenpox,

cataracts, deafness, heart problems, intellectual disability and many as such.