Maternal Exhaled Carbon Monoxide Levels and Placental Histomorphological Alterations in an Urban Niger Delta Population, Nigeria
EMEKA-OGBUGO, Alerechi & PAUL, Chikwuogwo · Asian Journal of Medicine and Health · 2026
Background: Carbon monoxide (CO) is a combustion-derived pollutant that reduces oxygen transport and may produce hypoxic stress during pregnancy. The placenta is central to maternal-foetal exchange and may show structural responses to environmental insults. However, evidence link...