Objective To determine the relation between overweight and obesity in mothers and preterm
birth and low birth weight in singleton pregnancies in developed and developing countries …

Background Despite the current obesity epidemic, maternal underweight remains a common
occurrence with potential adverse perinatal outcomes. Our objective was to determine the …

Using criteria from the Centers for Disease Control, anemia and iron-deficiency anemia
(anemia with serum ferritin concentrations< 12 µg/L) were assessed in> 800 inner-city …

Background. Low gestational weight gain is common, with potential adverse perinatal
outcomes. Objective. To determine the relation between low gestational weight gain and …

Objective: To examine associations between rate of pregnancy weight gain and preterm
delivery among women of varying prepregnancy body mass indices (BMI). Methods …

This study examines the differences in the pattern of weight gain according to trimesters of
pregnancy for women who delivered term vs. preterm and analyzes the independent effect …

Previous studies suggesting that maternal undernutrition increases the risk of preterm birth
have suffered from several methodological shortcomings, including use of total gestational …

Objective: To review the relationship between gestational weight gain and preterm delivery.
Data Sources: We identified published studies through Medline searches (for the period …

OBJECTIVE: To examine the association between pregravid body mass index (BMI) and
preterm delivery among black, white, and Hispanic women. METHODS: Preterm deliveries …

OBJECTIVE: To assess the etiologic role of maternal short stature, low pre-pregnancy body
mass index (BMI), and low rate of gestational weight gain in idiopathic preterm labor …