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ArtikelGestational weight gain in obese mothers and associations with fetal growth  
Oleh: Hinkle, Stefanie N ; Sharma, Andrea J ; Dietz, Patricia M.
Jenis: Article from Journal - ilmiah internasional
Dalam koleksi: The American Journal of Clinical Nutrition vol. 92 no. 03 (Sep. 2010), page 644-651.
Topik: Institute of Medicine recommended gestational weight gains (GWGs); Nutritional epidemiology and public health; obesity severity
Ketersediaan
  • Perpustakaan FK
    • Nomor Panggil: A07.K.2010.02
    • Non-tandon: 1 (dapat dipinjam: 0)
    • Tandon: tidak ada
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Isi artikelBackground: In 2009, the Institute of Medicine recommended gestational weight gains (GWGs) of 5–9 kg for all obese women. Recommendations by severity of obesity were not specified because of a lack of available data. Objective: Our objective was to examine associations between GWG and fetal growth in obese women and assess interactions with obesity severity. Design: We used 2004–2006 Pregnancy Nutrition Surveillance System data from 122,327 obese mothers [prepregnant body mass index (BMI; in kg/m2) ge 30]. We used logistic regression to estimate measures of fetal growth including small-for-gestational-age, which was defined as birth weight (BW) lt 2 SDs below the sex and race-ethnicity-specific mean BW (SGA2SD), and macrosomia (BW ge 4500 g). We tested for interactions between obesity severity (class I: BMI of 30–34.9; class II: BMI of 35.0–39.9; class III: BMI ge 40) and GWG. Results: Obesity severity modified associations between GWG and fetal growth. Compared with weight gains of 5–9 kg, weight loss in class I women significantly increased the odds of SGA2SD, whereas a GWG from 0.1 to 4.9 kg was not associated with SGA2SD and did not decrease the odds of macrosomia. In class II and III women, compared with weight gains of 5–9 kg, a GWG from minus 4.9 to +4.9 kg was not associated with SGA2SD but did decrease the odds of macrosomia. Conclusions: Our study suggests a GWG below the Institute of Medicine guidelines may be associated with more favorable BW for all obese women, and GWG may need to be further defined by obesity severity.
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