Epistemis

Embryology: Fetal Period

Embryology · Basic Sciences

How it begins

Desarrollo cronológico, maduración de sistemas orgánicos, circulación fetal, fisiología placentaria, regulación del crecimiento y correlaciones clínicas perinatológicas de alta relevancia

What it covers

  1. Introduction to the Fetal Period
  2. · 0.1 Nomenclature and Measurement Parameters
  3. Chronology of Fetal Development
  4. · 1.1 Third Month (Weeks 9–12 / SGA 11–14)
  5. · 1.2 Fourth Month (Weeks 13–16 / SGA 15–18) — Start of the 2nd Quarter
  6. · 1.3 Fifth and Sixth Month (Weeks 17–24 / SGA 19–26)
  7. · 1.4 Seventh and Eighth Months (Weeks 25–32 / SGA 27–34)
  8. · 1.5 Ninth and Tenth Month (Weeks 33–40 / SGA 35–42)
  9. Development of the Central Nervous System
  10. · 2.1 Neurogenesis and Neuronal Migration
  11. · 2.2 Brain Gyrification
  12. · 2.3 Myelination
  13. Fetal Cardiovascular System
  14. · 3.1 Fetal Hematopoiesis
  15. Fetal Pulmonary Maturation
  16. · 4.1 Stages of Lung Development
  17. · 4.2 Type I and Type II Pneumocytes
  18. · 4.3 Fetal Pulmonary Surfactant
  19. Maturation of Other Organic Systems
  20. · 5.1 Fetal Renal System
  21. · 5.2 Fetal Digestive System
  22. · 5.3 Fetal Endocrine System
  23. · 5.4 Fetal Immunocompetence
  24. · 5.5 Fetal Skin — Vernix Caseosa and Lanugo
  25. Fetal Circulation and Changes at Birth
  26. · 6.1 The Three Fetal Shunts
  27. · 6.2 Fetal Blood Pathway — Complete Circulation
  28. · 6.3 Changes at Birth — Neonatal Cardiorespiratory Adaptation
  29. Placenta, Fetal Membranes and Umbilical Cord
  30. · 7.1 Structure of the Placenta
  31. · 7.2 Placental Barrier
  32. · 7.3 Hormonal Functions of the Placenta
  33. · 7.4 Umbilical Cord
  34. Regulation of Fetal Growth
  35. · 8.1 Determinants of Fetal Growth
  36. Perinatological Clinical Correlations
  37. · 9.1 Prematurity and Fetal Viability
  38. · 9.2 IUGR — Intrauterine Growth Restriction
  39. · 9.3 Prenatal Diagnosis — Methods and Basis
  40. · 9.4 Gestational Diabetes and Fetal Macrosomia
  41. · 9.5 Malformations of the Fetal Period
  42. · Fetal Period Synthesis

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
Embryology
Category
Basic Sciences
Type
Study Guide
Sections
42
Reviewed
2026-08-02
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