The influence of maternal body composition on birth weight

Farah, Nadine; Stuart, Bernard; Donnelly, V.; Kennelly, Máiréad; Turner, Michael J.

doi:10.1016/j.ejogrb.2010.12.047

Cited by 41 publications

(54 citation statements)

References 29 publications

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“…In view of ethnic differences in adiposity, the findings from this study may not be applicable to other ethnic groups. 16 Our findings are consistent with those of previous smaller studies using bioelectric impedance analysis in pregnant women. In an Italian longitudinal study, single-frequency tetrapolar bioelectric impedance analysis evaluation was first conducted at 15-17 weeks of gestation and repeated at 20-22 weeks, 25-27 weeks, 30-32 weeks, and 35-37 weeks of gestation.…”

Section: Discussionsupporting

confidence: 95%

Correlation Between Birth Weight and Maternal Body Composition

Kent

O’Dwyer

Fattah

et al. 2013

Obstetrics & Gynecology

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Section: Discussionsupporting

confidence: 95%

Correlation Between Birth Weight and Maternal Body Composition

Kent

O’Dwyer

Fattah

et al. 2013

Obstetrics & Gynecology

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“…These results are in accordance with previous studies where maternal FFM was found to be positively related to infant birth weight (91)(92)(93). The findings in this thesis contribute additional knowledge, since it was demonstrated that it was the FFM of infants, rather than the FM, that is related to maternal FFM.…”

Section: Parental Body Composition Versus Infant Size and Body Compossupporting

confidence: 82%

“…The findings in this thesis contribute additional knowledge, since it was demonstrated that it was the FFM of infants, rather than the FM, that is related to maternal FFM. Given the present results, it is possible that the reported positive association between maternal BMI and infant birth weight (91)(92)(93) may to a large extent be due to an effect of the FFM rather than the FM of the mother. Further, Starling et al found that maternal BMI was associated with both infant FM and FFM (19).…”

Section: Parental Body Composition Versus Infant Size and Body Composmentioning

confidence: 82%

Body composition of parents and their infants : methodological, anthropometric, metabolic and genetic studies

Henriksson¹

2015

Linköping University Medical Dissertations

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Body composition in infancy may be of importance for later health. In particular, infant body composition may be relevant regarding obesity risk in childhood. Recent advances in body composition methodology using air displacement plethysmography (ADP) have provided possibilities to accurately measure body composition of infants in a quick and non-invasive manner. The aims of this thesis were to study associations of parental body composition using ADP, glucose homeostasis during pregnancy and infant genetics with infant body composition also using ADP. When using ADP in adults, a correction for the thoracic gas volume (TGV) is needed and TGV can be predicted using equations developed in nonpregnant adults. Thus another aim was to study the validity of using such equations during pregnancy. Parent couples were invited to this study at a routine visit to a maternity clinic in Linköping between September 2008 and October 2010. When the mother was in gestational week 32, parental body composition using ADP and maternal glucose homeostasis variables were assessed. Size and body composition of healthy, singleton and full term (≥ 37 gestational weeks) infants were measured at 1 and 12 weeks of age and a total of 211 infants were included in the studies. Weight and length at 1 year of age were reported by parents. Saliva samples were collected from the infants to obtain DNA for genotyping of the fat mass and obesity associated (FTO) gene. Body composition results calculated using measured and predicted TGV were compared in 27 women. Results showed that predicted TGV yields a very marginal overestimation (0.5 %) of fat mass (FM). Further, each kg increase in maternal and paternal fat-free mass (FFM) was associated with 15.6 g (P=0.001) and 9.1 g (P=0.007), respectively, more FFM in their 1-week old infants. FM of fathers was not related to infant FM. However, maternal FM was positively associated with FM of daughters (5.8 g/kg, P=0.007), but not of sons (P=0.79) at 1 week of age. Similarly, each standard deviation increase in maternal HOMA-IR (homeostatic model assessment-insulin resistance) was related to 52.7 more g of FM (P<0.001) in 1-weekold daughters, but no such relationship was found for sons (P=0.79). The number of risk alleles at the FTO locus rs9939609 was not associated with infant body mass index (BMI) or infant FM at 1 or 12 weeks of age. However, the number of risk alleles was positively associated (P≤0.033) with infant length at 1 and 12 weeks of age, and the results suggested that this association was stronger in boys than in girls. The results presented in this thesis show that: i) The use of predicted TGV when applying ADP in gestational week 32 overestimated % FM only slightly. ii) Associations between parental and infant body composition are present early in life. Thus, parental FFM was positively related to FFM in 1-week-old infants. Furthermore, maternal FM and insulin resistance (HOMA-IR) were positively related to FM of 1-week-old daughters, but no such relationships were observed for sons. ii...

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“…Consistently across studies of healthy pregnancies, maternal total body water (TBW) 5 and fat-free mass (usually estimated from body water) are positively associated with birth weight (21)(22)(23)(24)(25)(26). A study of uncomplicated pregnancies in the UK found TBW was ;12-15% lower at ;31, 34, and 37 wk of gestation for mothers delivering babies <25th percentile compared with >50th percentile (27).…”

Section: Introductionmentioning

confidence: 91%

Maternal Weight and Body Composition during Pregnancy Are Associated with Placental and Birth Weight in Rural Bangladesh,

Gernand

Christian

Paul³

et al. 2012

The Journal of Nutrition

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Placental growth is a strong predictor of fetal growth, but little is known about maternal predictors of placental growth in malnourished populations. Our objective was to investigate in a prospective study the associations of maternal weight and body composition [total body water (TBW) estimated by bioelectrical impedance and fat and fat-free mass derived from upper arm fat and muscle areas (UAFA, UAMA)] and changes in these with placental and birth weights. Within a cluster-randomized trial of maternal micronutrient supplementation, a subsample of 350 women was measured 3 times across gestation. Longitudinal analysis was used to examine independent associations of ∼10-wk measurements and ∼10-20 wk and ∼20-32 wk changes with birth outcomes. Weight, TBW, and UAMA, but not UAFA, at ∼10 wk were each positively and independently associated with placental weight and birth weight (P < 0.05). Of the maternal ∼10-20 wk changes in measurements, only TBW change and placental weight, and maternal weight and birth weight were positively associated (P < 0.05). Gains in weight, TBW, and UAMA from 20 to 32 wk were positively and UAFA gain was negatively associated with placental weight (P ≤ 0.01). Gains in weight and UAMA from 20 to 32 wk were positively associated with birth weight (P ≤ 0.01). Overall, higher maternal weight and measures of fat-free mass at ∼10 wk gestation and gains from 20 to 32 wk are independently associated with higher placental and birth weight.

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The influence of maternal body composition on birth weight

Cited by 41 publications

References 29 publications

Correlation Between Birth Weight and Maternal Body Composition

Correlation Between Birth Weight and Maternal Body Composition

Body composition of parents and their infants : methodological, anthropometric, metabolic and genetic studies

Maternal Weight and Body Composition during Pregnancy Are Associated with Placental and Birth Weight in Rural Bangladesh,

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