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Patterns of Gestational Weight Gain and Infants Born Large-for-Gestational Age Across Consecutive Pregnancies



Patterns of Gestational Weight Gain and Infants Born Large-for-Gestational Age Across Consecutive Pregnancies



Women's Health Issues 2018



Factors that occur between consecutive pregnancies may influence repeated excessive gestational weight gain (GWG) and infants born large-for-gestational age (LGA). We examined interpregnancy interval, weight retention, and GWG in women's first pregnancy as predictors of excessive GWG and LGA in women's second pregnancy. We used data from women's first two live births during the First Baby Study, a 3-year prospective observational cohort of first-time mothers (N = 549). GWG was calculated as weight at delivery minus prepregnancy weight for first and second pregnancies and categorized using the Institute of Medicine guidelines. Weight retention at 6 and 12 months and interpregnancy interval (time from first live birth to conception of second infant) were quantified. Infants were considered LGA if birthweight was in the 90th percentile or greater for gestational age. Many women (51.7%) exceeded GWG recommendations in both pregnancies. Women who exceeded guidelines in their first pregnancy had a 5.08 greater odds (p < .01) for exceeding guidelines in their second pregnancy, compared with women who did not exceed guidelines in their first pregnancy. Interpregnancy interval and weight retention had no association with exceeding guidelines in women's second pregnancy. Exceeding guidelines in women's first pregnancy resulted in a 4.48 greater odds (p < .01) of first-born infants being LGA, and exceeding guidelines in women's second pregnancy resulted in a 1.82 greater odds of second-born infants being large-for-gestational age (p = .02), compared with women who met guidelines in their first or second pregnancy, respectively. Exceeding GWG guidelines in women's first pregnancy predicted exceeding guidelines in their second pregnancy, independent of interpregnancy interval and weight retention.

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Accession: 065987609

Download citation: RISBibTeXText

PMID: 30527864

DOI: 10.1016/j.whi.2018.10.008


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