The Fetal Period

Rapid Body Growth

Maturation of Tissues and Organs

Changes in Body Proportions

Definition and Criteria

Factors Affecting Viability

First Trimester

Second Trimester

Third Trimester

Fetal Circulation

Fetal Respiration and Surfactant Production

Fetal Metabolism

Hematopoiesis in the Fetus

Endocrine Function