Epistemis

Congenital and Perinatal Infections: TORCH Complex — Medical Microbiology

Microbiology · Basic Sciences

How it begins

Toxoplasmosis and Sabin tetrad, early/late congenital syphilis, rubella Gregg syndrome, congenital cytomegalovirus and neonatal herpes.

What it covers

  1. 1. Definition of the TORCH Complex and Routes of Perinatal Transmission
  2. 2. T — Congenital Toxoplasmosis: Sabin's Tetrad
  3. 3. O — Others: Congenital Syphilis, Varicella, Parvovirus and Zika Virus
  4. 4. R — Congenital Rubella: Gregg Syndrome
  5. 5. C — Cytomegalovirus (CMV): periventricular calcifications
  6. 6. H — Virus Herpes Simplex Neonatal (HSV-2)
  7. 7. The Timing in Pregnancy Changes Everything
  8. 8. 2020–2025 Update
  9. 9. Reasoned Clinical Cases
  10. 10. Common Mistakes and Exam Pearls
  11. 11. References and Sources for Further Reading

The complete study guide is in the app

This page summarizes the outline. The full interactive study guide —with high-yield diagrams, clinical tables, and board review cases— can be read inside Epistemis, completely offline and ad-free.

Subject
Microbiology
Category
Basic Sciences
Type
Study Guide
Sections
11
Reviewed
2026-09-19
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