In industrialized countries, 5–11% of infants are born preterm (<37 weeks' gestation), and the
rate has been increasing since the early 1980s. Preterm births account for 70% of neonatal …

Objective. To determine a precise estimate for the contribution of maternal obesity to
macrosomia. Data Sources. The search strategy included database searches in 2011 of PubMed, …

We examined trends in fetal growth among singleton live births in the United States and
Canada. The data files (n=48,637,680; 16.6% blacks) for US births, and the Canadian Birth …

Background. Existing fetal growth references all suffer from 1 or more major methodologic
problems, including errors in reported gestational age, biologically implausible birth weight for …

Background Whether the association between teenage pregnancy and adverse birth
outcomes could be explained by deleterious social environment, inadequate prenatal care, or …

Background The rates of preterm birth have increased in many countries, including Canada,
over the past 20 years. However, the factors underlying the increase are poorly understood. …

Objectives. We studied the effects of twins and triplets on perinatal health indicators in the
overall population in the 1980s and 1990s in Canada, England and Wales, France, and the …

Objectives: To describe temporal trends in fetal “growth” and to examine the roles of
sociodemographic, anthropometric, and other determinants. Study design: Hospital-based cohort …

The authors conducted a population-based, case-control study of 21,022 incident cases of
19 types of cancer and 5,039 controls aged 20–76 years during 1994–1997 to examine the …

Background: Nonalcoholic fatty liver disease (NAFLD) is emerging as a public health issue
worldwide and is highly prevalent in patients with type 2 diabetes mellitus (T2DM). However, …