Background Physical activity has been inconsistently associated with risk of preterm birth,
and the strength of the association and the shape of the dose–response relationship needs …

Iron is unique among all minerals in that humans have no regulatable excretory pathway to
eliminate excess iron after it is absorbed. Iron deficiency anemia occurs when absorbed iron …

Background Existing evidence on the effects of race and ethnicity on pregnancy outcomes is
restricted to individual studies done within specific countries and health systems. We aimed …

Abstract Objective The International Association of Diabetes and Pregnancy Study Groups
(IADPSG) recently proposed new criteria for diagnosing gestational diabetes mellitus …

Background Depression in pregnancy increases the risk of complications for mother and
child. Few studies are done in ethnic minorities. We wanted to identify the prevalence of …

Background There is considerable interest in estimating the causal effect of a range of
maternal environmental exposures on offspring health-related outcomes. Previous attempts …

Background To describe ethnic differences in concentrations of lipids and lipoproteins, and
their changes, during pregnancy to postpartum. Methods This was a population-based …

An adverse intrauterine or periconceptional environment, such as hyperglycemia during
pregnancy, can affect the DNA methylation pattern both in mothers and their offspring. In this …

We investigated associations between serum 25-hydroxyvitamin D (25 (OH) D) in pregnancy
and birth weight and other neonatal anthropometric measures. The present study was a …

Background To investigate ethnic differences in vitamin D levels during pregnancy, assess
risk factors for vitamin D deficiency and explore the effect of vitamin D supplementation in …