🦠microbiology review

TORCH

Written by the Fiveable Content Team • Last updated September 2025
Written by the Fiveable Content Team • Last updated September 2025

Definition

TORCH is an acronym for a group of infectious diseases that can cause severe complications in pregnant women and their fetuses. It includes Toxoplasmosis, Other (syphilis, varicella-zoster, parvovirus B19), Rubella, Cytomegalovirus (CMV), and Herpes simplex virus.

5 Must Know Facts For Your Next Test

  1. TORCH infections can cross the placenta and result in congenital infections.
  2. Cytomegalovirus (CMV) is the most common cause of congenital viral infections in developed countries.
  3. Rubella infection during pregnancy can lead to congenital rubella syndrome, causing serious birth defects.
  4. Herpes simplex virus can be transmitted to the neonate during delivery if the mother has an active infection.
  5. Screening for TORCH infections is crucial in prenatal care to mitigate risks to the fetus.

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