Objective The population-based incidence of early-onset (<34 weeks) and late-onset
preeclampsia (≥34 weeks) has not been adequately studied. We examined the gestational age–…

Hypertensive disorders of pregnancy include chronic hypertension, gestational hypertension,
pre-eclampsia and chronic hypertension with superimposed pre-eclampsia. Pre-eclampsia …

Importance Although high body mass index (BMI) is associated with adverse birth outcomes,
the association with severe maternal morbidity is unclear. Objective To examine the …

Background One of the United Nations’ Millennium Development Goals of 2000 was to
reduce maternal mortality by 75% in 15 y; however, this challenge was not met by many …

Background Suboptimal weight gain during pregnancy is a potentially modifiable risk factor.
We aimed to investigate the association between suboptimal gestational weight gain and …

OBJECTIVE: To examine temporal trends in early-onset compared with late-onset preeclampsia
and associated severe maternal morbidity. METHODS: The study included all singleton …

Small newborns are vulnerable to mortality and lifelong loss of human capital. Measures of
vulnerability previously focused on liveborn low-birthweight (LBW) babies, yet LBW reduction …

Background— This study quantifies the association between maternal medical conditions/illnesses
and congenital heart defects (CHDs) among infants. Methods and Results— We …

Background Chronic pelvic pain affects ∼15% of women, and is associated with significant
societal cost and impact on women’s health. Identifying factors involved in chronic pelvic …

Rigorous studies carried out by the National Center for Health Statistics show that previously
reported increases in maternal mortality rates in the United States were an artifact of …