Tag: substance abuse pregnancy

November 6, 2025 / Mohammed looti

PRENATAL INFLUENCE

Definition and Scope of Prenatal Influence Prenatal influence refers specifically to any impact, whether biological, chemical, psychological, or environmental, exerted upon the developing organism during the critical period spanning from conception to birth. This developmental window, lasting approximately 40 weeks in humans, is characterized by extremely rapid cellular division, differentiation, and organ formation, making the […]

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November 6, 2025 / Mohammed looti

PREMATURITY

Definition and Classification of Prematurity Prematurity, formally termed preterm birth, is defined in medical and psychological contexts as the condition of a neonate being born prior to the completion of the typical gestational period. The standard human pregnancy spans approximately 40 weeks from the last menstrual period, and any birth occurring before 37 weeks of […]

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