Dataset Information

Added sugars mediate the relation between pre-pregnancy BMI and infant rapid weight gain: a preliminary study.

ABSTRACT:

Background

Parental obesity is linked to offspring obesity, though little research has explored factors that might influence this relationship during the complementary feeding period. This study investigated whether infant intakes of added sugars mediate the relationship between a mother's pre-pregnancy body mass index (BMI) and infant rapid weight gain (defined as upward weight-for-age percentile crossing).

Methods

This study was of a cross-sectional design. Anthropometrics for 141 mother-infant dyads (mean age [standard deviation]: 32.6 [4.4] year for mothers, 11.9 [1.9] months for infants) were obtained. Data from three 24-h recalls pertaining to the infants' diets were collected and analyzed. Pearson product-moment correlations and multivariable regressions assessed bivariate relationships between pre-pregnancy BMI, infant added sugar intakes and upward weight-for-age percentile crossing. Mediation models evaluated the effects of added sugars and breastfeeding duration.

Results

Pre-pregnancy BMI correlated positively with infants' added sugar intakes (r = 0.230, p = 0.006). Added sugar intakes mediated the impact of pre-pregnancy BMI on upward weight-for-age percentile crossing (indirect effect = 0.007, 95% CI = 0.0001, 0.0197, indirect/total effect ratio = 0.280). Breastfeeding duration also moderated the relationship, with infants who were breastfed for a shorter duration experiencing a greater mediating effect (indirect effect = 0.010, 95% CI = 0.0014, 0.0277, indirect/direct effect ratio = 0.7368).

Conclusions

Mothers who were overweight or obese prior to pregnancy were significantly more likely to give their infants foods and beverages with added sugars, and this practice was found to mediate the relationship between maternal and infant obesity. Breastfeeding duration moderated the mediating effect of added sugars between pre-pregnancy BMI and infant rapid weight gain.

SUBMITTER: Burgess B

PROVIDER: S-EPMC10414969 | biostudies-literature | 2021 Dec

REPOSITORIES: biostudies-literature

ACCESS DATA

Publications

Added sugars mediate the relation between pre-pregnancy BMI and infant rapid weight gain: a preliminary study.

Burgess Brenda B Morris Katherine S KS Faith Myles S MS Paluch Rocco A RA Kong Kai Ling KL

International journal of obesity (2005) 20210818 12

<h4>Background</h4>Parental obesity is linked to offspring obesity, though little research has explored factors that might influence this relationship during the complementary feeding period. This study investigated whether infant intakes of added sugars mediate the relationship between a mother's pre-pregnancy body mass index (BMI) and infant rapid weight gain (defined as upward weight-for-age percentile crossing).<h4>Methods</h4>This study was of a cross-sectional design. Anthropometrics for 1 ...[more]

PMID: 34408257

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Project description:BackgroundFormulas often contain high amounts of added sugars, though little research has studied their connection to obesity.ObjectivesThis study assessed the contribution of added sugars from formulas during complementary feeding on total added sugar intakes, and the association between these sugars and upward weight-for-age percentile (WFA%) crossing (i.e., participants crossing a higher threshold percentile were considered to have an upward crossing).MethodsData from three 24-hour dietary recalls for infants (n = 97; 9-12 months) and toddlers (n = 44; 13-15 months) were obtained in this cross-sectional analysis. Foods and beverages with added sugars were divided into 17 categories. Pearson's correlations were used to test relations between added sugar intake and upward WFA% crossing, followed by multivariable regressions when significant. ANOVA compared intakes of all, milk-based, and table foods between primarily formula-fed compared with breastfed participants. Multivariable regressions were used to test effects of added sugars and protein from all foods compared with added sugars and protein from milk-based sources on upward WFA% crossing.ResultsAdded sugars from formulas comprised 66% and 7% of added sugars consumed daily by infants and toddlers, respectively. A significant association was observed between upward WFA% crossing and added sugars from milk-based sources after controlling for gestational age, sex, age, introduction to solid foods, mean energy intakes, and maternal pre-pregnancy BMI and education (β = 0.003; 95% CI, 0.000-0.007; P = 0.046). Primarily formula-fed participants consumed nearly twice the energy from added sugars (P = 0.003) and gained weight faster (upward WFA% crossing = 1.1 ± 1.2 compared with 0.3 ± 0.6, respectively; P < 0.001) than their breastfed counterparts.ConclusionsAdded sugars in formulas predict rapid weight gain in infants and toddlers. Educating mothers on lower-sugar options may enhance childhood obesity prevention.

Project description:BackgroundMother-to-newborn transmission of obesity-associated microbiota may be modified by birth mode (vaginal vs. Cesarean delivery). Prospective data to test this hypothesis are still sparse.ObjectiveTo examine prospective associations of maternal pre-pregnancy BMI and gestational weight gain with the infant gut microbiome by birth-mode strata.Subjects/methodsIn 335 mother-infant pairs in the New Hampshire Birth Cohort, we ascertained data from questionnaires and medical records, and generated microbiome data from 6-week-old infants' stool using Illumina 16s rRNA gene sequencing (V4-V5 region). Analyses were stratified by birth mode and conducted before and after adjusting for potential confounders, which included maternal age, education, parity, and Mediterranean diet score.ResultsAmong 335 mothers, 56% had normal pre-pregnancy BMI ( < 25, referent), 27% were overweight (BMI 25-30), and 18% obese (BMI > 30). Among the 312 mothers with weight gain data, 10% had inadequate weight gain, 30% adequate (referent), and 60% excess. Birth mode modified associations of pre-pregnancy BMI with several genera, including the most abundant genus, Bacteroides (P for interaction = 0.05). In the vaginal-delivery group, maternal overweight or obesity was associated with higher infant gut microbiome diversity and higher relative abundance of 15 operational taxonomic units (OTUs), including overrepresentation of Bacteroides fragilis, Escherichia coli, Veillonella dispar, and OTUs in the genera Staphylococcus and Enterococcus. In the Cesarean-delivered group, there were no significant associations of pre-pregnancy BMI with infant microbiome (alpha) diversity or OTUs. Gestational weight gain was not associated with differential relative abundance of infant gut microbial OTUs or with measures of microbial diversity in infants delivered vaginally or by Cesarean section.ConclusionsAmong vaginally-delivered infants, maternal overweight and obesity was associated with altered infant gut microbiome composition and higher diversity. These associations were not observed in Cesarean-delivered infants, whose microbiome development differs from vaginally-delivered infants. Our study provides additional evidence of birth-mode dependent associations of maternal body weight status with the infant gut microbiota. The role of these associations in mediating the intergenerational cycle of obesity warrants further examination.

Project description:Importance:Gestational weight gain is a determinant of infant birth weight, but it is unclear whether its timing in pregnancy may hold implications in this regard. Previous studies have yielded conflicting findings on the association of maternal weight gain in early pregnancy with birth weight. However, as these studies have typically recruited women during the first trimester, they are inherently limited by a reliance on self-reported pregravid weight. Objective:To evaluate the associations of directly measured maternal pregravid weight and the timing of subsequent weight gain across pregnancy with infant birth weight. Design, Setting, and Participants:In this prospective, preconception, observational cohort study, 1164 newly married women in Liuyang, China, underwent pregravid evaluation at a median of 19.9 weeks before a singleton pregnancy during which they underwent serial weight measurements. The study was conducted from February 1, 2009, to November 4, 2015. Data analysis was performed between September 1, 2016, and May 6, 2017. Exposure:Maternal weight gain was calculated for the following 10 gestational intervals: from pregravid to less than 14, 14 to 18, 19 to 23, 24 to 28, 29 to 30, 31 to 32, 33 to 34, 35 to 36, 37 to 38, and 39 to 40 weeks. Main Outcomes and Measures:Associations of pregravid weight and weight gain within each of the 10 gestational intervals with the outcome of infant birth weight. Results:The mean (SD) age of the 1164 women included in the study was 25.3 (3.1) years. Pregravid weight was consistently associated with infant birth weight. However, among the 10 gestational intervals, only weight gain from pregravid to 14 weeks and from 14 to 18 weeks was associated with birth weight. Birth weight increased by 13.6 g/kg (95% CI, 3.2-24.1 g/kg) of maternal weight gain from pregravid to 14 weeks and by 26.1 g/kg (95% CI, 3.8-48.4 g/kg) of maternal weight gain from 14 to 18 weeks. Conclusion and Relevance:Maternal weight only in the first half of gestation is a determinant of infant birth weight. Before pregnancy and early gestation may be a critical window for intervention to affect subsequent birth weight.

Project description:ObjectiveBoth excessive and inadequate gestational weight gain (GWG) are associated with adverse health outcomes for the woman and her child. Antidepressant use in pregnancy could affect GWG, based on evidence in nonpregnant women that some antidepressants may cause weight gain and others weight loss. Previous studies of antidepressant use and GWG were small with limited ability to account for confounding, including by maternal mental health status and severity. We assessed the association of antidepressant continuation in pregnancy with GWG among women using antidepressants before pregnancy.Study designOur retrospective cohort study included singleton livebirths from 2001 to 2014 within Kaiser Permanente Washington, an integrated health care system. Data were obtained from electronic health records and linked Washington State birth records. Among women with ≥1 antidepressant fill within 6 months before pregnancy, women who filled an antidepressant during pregnancy were considered "continuers;" women without a fill were "discontinuers." We calculated mean differences in GWG and relative risks (RR) of inadequate and excessive weight gain based on Institute of Medicine guidelines. Using inverse probability of treatment weighting with generalized estimating equations, we addressed differences in maternal characteristics, including mental health conditions.ResultsAmong the 2,887 births, 1,689 (59%) were to women who continued antidepressants in pregnancy and 1,198 (42%) were to discontinuers. After accounting for confounding, continuers had similar weight gain to those who discontinued (mean difference: 1.3 lbs, 95% confidence interval [CI]: -0.1 to 2.8 lbs) and similar risks of inadequate and excessive GWG (RR: 0.95, 95% CI: 0.80-1.14 and RR: 1.06, 95% CI: 0.98-1.14, respectively). Findings were comparable for specific antidepressants and trimesters of exposure.ConclusionWe did not find evidence that continuation of antidepressants in pregnancy led to differences in GWG.Key points· Antidepressant use is associated with weight change in nonpregnant populations.. · Prior evidence on whether antidepressant use in pregnancy affects gestational weight gain is sparse.. · We accounted for confounding by characteristics such as mental health conditions and their severity.. · We found no association between pregnancy antidepressant continuation and gestational weight gain..

Dataset Information

Added sugars mediate the relation between pre-pregnancy BMI and infant rapid weight gain: a preliminary study.

Background

Methods

Results

Conclusions

Publications

Added sugars mediate the relation between pre-pregnancy BMI and infant rapid weight gain: a preliminary study.

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