Maternal obesity, gestational hypertension, and preterm delivery. 2010

Juliette Madan, and Minghua Chen, and Elizabeth Goodman, and Jonathan Davis, and Walter Allan, and Olaf Dammann
Division of Neonatology, Department of Pediatrics, Dartmouth Hitchcock Medical Center, Lebanon, New Hampshire 03756, USA. juliette.c.madan@hitchcock.org

OBJECTIVE To study maternal obesity as a risk factor for preterm delivery. METHODS Maine State Birth Records Database from 1996 through 2006 was evaluated to investigate obese pregnant women compared with normal weight women regarding risk for preterm delivery. Multiple risk factors and outcomes were studied in univariable and multivariable models. RESULTS Among 58,112 pregnant women, 8% (n = 4653) gave birth to preterm infants. Univariable analyses revealed a relationship between obesity and increased risk of prematurity. In multivariable regressions, the most important intermediate variable appears to be gestational hypertension/preeclampsia. CONCLUSIONS As maternal body mass index increases in pregnancy, the risk of preterm delivery and other maternal complications increases. The obesity-prematurity relationship is complex, with hypertensive disorders of pregnancy playing a crucial role. More detailed analyses of causal pathways are warranted.

UI MeSH Term Description Entries
D006973 Hypertension Persistently high systemic arterial BLOOD PRESSURE. Based on multiple readings (BLOOD PRESSURE DETERMINATION), hypertension is currently defined as when SYSTOLIC PRESSURE is consistently greater than 140 mm Hg or when DIASTOLIC PRESSURE is consistently 90 mm Hg or more. Blood Pressure, High,Blood Pressures, High,High Blood Pressure,High Blood Pressures
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008281 Maine A state bounded on the east by the Atlantic Ocean, on the north by Canada, and on the south and west by New Hampshire.
D009765 Obesity A status with BODY WEIGHT that is grossly above the recommended standards, usually due to accumulation of excess FATS in the body. The standards may vary with age, sex, genetic or cultural background. In the BODY MASS INDEX, a BMI greater than 30.0 kg/m2 is considered obese, and a BMI greater than 40.0 kg/m2 is considered morbidly obese (MORBID OBESITY).
D011225 Pre-Eclampsia A complication of PREGNANCY, characterized by a complex of symptoms including maternal HYPERTENSION and PROTEINURIA with or without pathological EDEMA. Symptoms may range between mild and severe. Pre-eclampsia usually occurs after the 20th week of gestation, but may develop before this time in the presence of trophoblastic disease. Toxemias, Pregnancy,EPH Complex,EPH Gestosis,EPH Toxemias,Edema-Proteinuria-Hypertension Gestosis,Gestosis, EPH,Hypertension-Edema-Proteinuria Gestosis,Preeclampsia,Preeclampsia Eclampsia 1,Pregnancy Toxemias,Proteinuria-Edema-Hypertension Gestosis,Toxemia Of Pregnancy,1, Preeclampsia Eclampsia,1s, Preeclampsia Eclampsia,EPH Toxemia,Eclampsia 1, Preeclampsia,Eclampsia 1s, Preeclampsia,Edema Proteinuria Hypertension Gestosis,Gestosis, Edema-Proteinuria-Hypertension,Gestosis, Hypertension-Edema-Proteinuria,Gestosis, Proteinuria-Edema-Hypertension,Hypertension Edema Proteinuria Gestosis,Of Pregnancies, Toxemia,Of Pregnancy, Toxemia,Pre Eclampsia,Preeclampsia Eclampsia 1s,Pregnancies, Toxemia Of,Pregnancy Toxemia,Pregnancy, Toxemia Of,Proteinuria Edema Hypertension Gestosis,Toxemia Of Pregnancies,Toxemia, EPH,Toxemia, Pregnancy,Toxemias, EPH
D011247 Pregnancy The status during which female mammals carry their developing young (EMBRYOS or FETUSES) in utero before birth, beginning from FERTILIZATION to BIRTH. Gestation,Pregnancies
D011248 Pregnancy Complications Conditions or pathological processes associated with pregnancy. They can occur during or after pregnancy, and range from minor discomforts to serious diseases that require medical interventions. They include diseases in pregnant females, and pregnancies in females with diseases. Adverse Birth Outcomes,Complications, Pregnancy,Adverse Birth Outcome,Birth Outcome, Adverse,Complication, Pregnancy,Outcome, Adverse Birth,Pregnancy Complication
D001724 Birth Weight The mass or quantity of heaviness of an individual at BIRTH. It is expressed by units of pounds or kilograms. Birthweight,Birth Weights,Birthweights,Weight, Birth,Weights, Birth
D005260 Female Females
D005322 Fetal Membranes, Premature Rupture Spontaneous tearing of the membranes surrounding the FETUS any time before the onset of OBSTETRIC LABOR. Preterm PROM is membrane rupture before 37 weeks of GESTATION. Premature Rupture of Membrane (Pregnancy),PROM (Pregnancy),Premature Rupture of Fetal Membranes,Preterm PROM (Pregnancy),Preterm Premature Rupture of Fetal Membranes,Membrane Premature Rupture (Pregnancy),Membrane Premature Ruptures (Pregnancy),PROM, Preterm (Pregnancy)

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