Preterm Viability: The Threshold of Early Life Survival
Preterm Viability The Core Definition of Preterm Viability Preterm viability represents a critical threshold in human development, specifically denoting the earliest gestational age at which a fetus has a realistic chance of survival outside the mother’s uterus. This concept is fundamentally rooted in the physiological maturity required for independent existence, primarily concerning the development of […]
MENSTRUAL AGE
Definition and Core Principles of Menstrual Age Menstrual Age, often abbreviated as MA, is a fundamental concept used extensively in obstetrics and reproductive health to quantify the duration of a pregnancy. It represents the age of the developing fetus or embryo calculated specifically from the first day of the mother’s last normal menstrual period, commonly […]
SMALL FOR DATES
Small for Gestational Age (SGA) and Developmental Psychology The Core Definition of Small for Dates The term “Small for Dates,” or more formally, Small for Gestational Age (SGA), refers to a neonate whose birth weight is below the 10th percentile for its specific gestational age, relative to the reference population. This classification is crucial in […]