Low birth weight and neonatal mortality rate related to maternal smoking and socioeconomic status.

Adult Birth Weight Female Fetal Diseases/etiology Fetal Hemoglobin Humans Hypoxia/etiology Infant Mortality Infant, Newborn Infant, Newborn, Diseases/etiology Maternal-Fetal Exchange Pregnancy Pregnancy Complications Smoking Social Class Socioeconomic Factors

Fetal Hemoglobin