Tag: postnatal period

April 14, 2026 / Mohammed looti

NEONATAL PERIOD

Defining the Neonatal Period and the Scope of Physiological Transition The neonatal period is formally defined as the first twenty-eight days of life following birth. This temporal window represents one of the most critical and vulnerable phases in human development, as it marks the profound shift from a dependent fetal existence to an independent extrauterine […]

February 9, 2026 / Mohammed looti

FETUS

Introduction to the Fetal Stage The fetus represents the final and longest stage of prenatal development in humans, commencing formally at the end of the eighth week following conception and concluding at birth. This period succeeds the highly sensitive embryonic stage, transitioning from rudimentary structural formation to extensive functional refinement, growth, and maturation. The fetus […]