LEY 24543 PDF
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Recurrence of preterm birth in singleton and twin pregnancies. Maternal psychological stress and distress as predictors of low birth weight, prematurity and intrauterine growth retardation. Finally, our large-scale study cannot identify specific mechanisms underlying the association between maternal underweight and recurrent preterm birth, but, importantly, may offer background for more specific, mechanistic studies.
Find articles by David K Ely. Maternally-linked hospital and birth certificate records of deliveries in California between — were used. Am J Clin Nutr. However, we were limited to data derived from birth certificates and hospital discharge databases, which are not always reliable.
Global database on body mass index. Author information Copyright and License information Disclaimer. The datasets include maternal and pregnancy characteristics from birth certificates combined with clinical leg from birth hospitalization and link multiple births to the same mother. Maternal prepregnancy body mass index and risk of spontaneous preterm birth.
Each year more thanpreterm infants are born in the United States at less than 37 weeks of gestation [ 1 ]. Changes in prepregnancy body mass index between pregnancies and risk of preterm phenotypes.
What factors are related to recurrent preterm birth among underweight women?
Pregnancies were categorized based on outcome of the first and second birth as: Matem Child Health J. Term birth – preterm birth Maternal age in pregnancy 1 d. Information on gestational age at delivery was based on obstetric estimate provided on the birth certificate.
In another study, Whiteman et 2443.
Association of extremes of prepregnancy BMI with the clinical presentations of preterm birth. Between andthere werewomen who delivered their first and second singleton live births in California.
In addition, our study has clinical implications for counseling underweight women who have experienced a PTB. Neither Whiteman et al. Maternal morbidity during childbirth hospitalization in California. We analyzed almost 5, consecutive live births of women with pre-pregnancy underweight i. Ly in a separate window.
Our ely is in line with prior studies that have demonstrated that recurrent PTB is related to less than appropriate gestational weight gain [ 8 ] and a change from normal to underweight BMI category between pregnancies [ 5 ]. The primary outcome of study was recurrent preterm birth and recurrent term birth was used as the reference. We analyzed 4, women ely underweight BMI in the first pregnancy.
Of these, had at least one preterm birth. Find articles by Matthew B Wallenstein. We make it fresh! Maternal age in pregnancy l d. Please review our privacy policy. Does body mass index adequately capture the relation of body composition and body size to health outcomes?
For multivariable models, covariates were chosen based on prior knowledge for their impact on PTB. The Italian diet is known to be among the healthiest in the world. However, recurrence percentages between women with normal pre-pregnancy BMI, 1.
What factors are related to recurrent preterm birth among underweight women?
The impact of exposure misclassification on associations between prepregnancy BMI and adverse pregnancy outcomes. Free download of Cooking Italian Recipes by. The factors related to increased odds for recurrent PTB compared to recurrent term birth were negative or no weight change between pregnancies aOR: See other articles in PMC that cite the published article.
PTB was defined as a live birth occurring at less than 37 weeks of gestation. Weighed more at beginning of pregnancy 2 than pregnancy 1.
Higher rates of behavioural and emotional problems at preschool age in children born moderately preterm.