Although individual behaviors have not been proven to have a strong influence on the risk of
preterm birth, consistent evidence suggests that a constellation of favorable lifestyle factors …

Abstract Very preterm birth (< 32 weeks' gestation) occurs in approximately 2% of livebirths
but is a leading cause of infant mortality and morbidity in the United States. African-American …

Objective: To determine whether the pattern of prenatal stress, as compared to prenatal
stress assessed at a single gestational time point, predicts preterm delivery (PTD). Design …

OBJECTIVE: The purpose of this study was to characterize the effect of smoking on the
incidence of various pregnancy complications. STUDY DESIGN: A population-based …

The extracellular matrix (ECM) plays an important role in determining cell and organ
function:(1) it is an organizing substrate that provides tissue tensile strength;(2) it anchors …

Objective. We reviewed the evidence for three theories of how preconceptional psychosocial
stress could act as a contributing determinant of excess preterm birth risk among African …

Objectives: Cotinine is the most widely used biomarker to distinguish active versus passive
smoking. However, there is an overlap in cotinine levels when comparing light or occasional …

An objective assessment of exposure to tobacco smoke may be accomplished by means of
examining particular biomarkers in body fluids. The most common biomarker of tobacco …

" In the 1930s, menthols were 3% of the smoking market but by the 1970s, they accounted
for a quarter and climbing. What explains this rise? Moreover, how did it happen that early …

Abstract Background In Western countries, active maternal smoking during pregnancy is
recognized as the most important preventable risk factor for adverse birth outcomes …