scholarly journals Maternal Weight Gain in Pregnancy and Risk of Obesity among Offspring: A Systematic Review

2014 ◽  
Vol 2014 ◽  
pp. 1-16 ◽  
Author(s):  
Erica Y. Lau ◽  
Junxiu Liu ◽  
Edward Archer ◽  
Samantha M. McDonald ◽  
Jihong Liu
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Cohort Studies ◽  
High Rate ◽  
Institute Of Medicine ◽  
Maternal Weight Gain ◽  
Maternal Weight ◽  
Weight Outcomes ◽  
Retrospective Cohort Studies ◽  
English Articles

Objectives. To systematically review the evidence from prospective and retrospective cohort studies on the association between gestational weight gain (GWG) and offspring’s body weight.Methods. Electronic databases PubMed, Web of Science, CINAHL, and Academic Search Premiere were searched from inception through March 18, 2013. Included studies (n=23) were English articles that examined the independent associations of GWG with body mass index (BMI) and/or overweight status in the offspring aged 2 to 18.9 years. Two authors independently extracted the data and assessed methodological quality of the included studies.Results. Evidence from cohort studies supports that total GWG and exceeding the Institute of Medicine maternal weight gain recommendation were associated with higher BMIz-score and elevated risk of overweight or obesity in offspring. The evidence of high rate of GWG during early- and mid-pregnancy is suggestive. Additionally, the evidence on inadequate GWG and net GWG in relation to body weight outcomes in offspring is insufficient to draw conclusions.Conclusions. These findings suggest that GWG is a potential risk factor for childhood obesity. However, findings should be interpreted with caution due to measurement issues of GWG and potential confounding effects of shared familial characteristics (i.e., genetics and maternal and child’s lifestyle factors).

Effect of maternal weight gain during pregnancy on exercise performance

1990 ◽  
Vol 68 (3) ◽  
pp. 1173-1176 ◽  
Author(s):  
M. W. Carpenter ◽  
S. P. Sady ◽  
M. A. Sady ◽  
B. Haydon ◽  
D. R. Coustan ◽  
...  
Keyword(s):  
Body Weight ◽  
Weight Gain ◽  
Exercise Performance ◽  
Weight Bearing ◽  
Work Load ◽  
Maternal Weight Gain ◽  
Maternal Weight ◽  
Exercise Tests ◽  
The Individual ◽  
Weight Gain During Pregnancy

We examined the effect of maternal weight gain during pregnancy on exercise performance. Ten women performed submaximal cycle (up to 60 W) and treadmill (4 km/h, up to 10% grade) exercise tests at 34 +/- 1.5 (SD) wk gestation and 7.6 +/- 1.7 wk postpartum. Postpartum subjects wearing weighted belts designed to equal their body weight during the antepartum tests performed two additional treadmill tests. Absolute O2 uptake (VO2) at the same work load was higher during pregnancy than postpartum during cycle (1.04 +/- 0.08 vs. 0.95 +/- 0.09 l/min, P = 0.014), treadmill (1.45 +/- 0.19 vs. 1.27 +/- 0.20 l/min, P = 0.0002), and weighted treadmill (1.45 +/ 0.19 vs. 1.36 +/- 0.20 l/min, P = 0.04) exercise. None of these differences remained, however, when VO2 was expressed per kilogram of body weight. Maximal VO2 (VO2max) estimated from the individual heart rate-VO2 curves was the same during and after pregnancy during cycling (1.96 +/- 0.37 to 1.98 +/- 0.39 l/min), whereas estimated VO2max increased postpartum during treadmill (2.04 +/- 0.38 to 2.21 +/- 0.36 l/min, P = 0.03) and weighted treadmill (2.04 +/- 0.38 to 2.19 +/- 0.38 l/min, P = 0.03) exercise. We conclude that increased body weight during pregnancy compared with the postpartum period accounts for 75% of the increased VO2 during submaximal weight-bearing exertion in pregnancy and contributes to reduced exercise capacity. The postpartum increase in estimated VO2max during weight-bearing exercise is the result of consistently higher antepartum heart rates during all submaximal work loads.

A population-based comparison between actual maternal weight gain and the Institute of Medicine weight gain recommendations in singleton pregnancies

2016 ◽  
Vol 44 (4) ◽  
Author(s):  
Natasa Tul ◽  
Andreja Trojner Bregar ◽  
Lili Steblovnik ◽  
Ivan Verdenik ◽  
Miha Lucovnik ◽  
...  
Keyword(s):  
Weight Gain ◽  
Population Based ◽  
Institute Of Medicine ◽  
Maternal Weight Gain ◽  
Maternal Weight ◽  
Fetal Outcomes ◽  
Strict Adherence ◽  
Fetal Size ◽  
Iom Recommendations ◽  
Singleton Pregnancies

AbstractTo compare the actual maternal weight gain to that recommended by the Institute of Medicine (IOM) in term singleton gestations.We used data from the Slovenian National Perinatal Information System to select singleton pregnancies born at ≥38 weeks during the period from 2003 to 2012. We calculated the frequencies of mothers who gained less than, more than, and as recommended by the IOM according to their pregravid body mass index (BMI). We also compared the fetal size parameters in under- and over-gainer to those who gained weight as recommended by the IOM.We selected 173,715 patients who delivered at ≥38 weeks. Of these patients, the recommended weight gain was achieved by 56,868 (32.7%, 95% CI 32.5, 32.9) only, 82,617 (47.6%, 95% CI 47.3, 47.8) were over-gainers, and 34,230 (19.7%, 95% CI 19.5, 19.8) gained less than recommended. Neither undergaining nor overgaining were always synonymous with adverse fetal outcomes.Roughly two-thirds of singleton mothers did not gain weight during pregnancy according to the IOM recommendations. Inappropriate maternal weight gain, however, was not always associated with adverse fetal outcomes and this implies that a tailored approach rather than strict adherence to the IOM recommendations may be more practical.

A Longitudinal Study of the Factor VII Rise during Pregnancy

1998 ◽  
Vol 79 (02) ◽  
pp. 328-330 ◽  
Author(s):  
D. Wright ◽  
J. M. Thomson ◽  
A. Sidebotham ◽  
C. F. Hirst ◽  
P. Hirsch ◽  
...  
Keyword(s):  
Weight Gain ◽  
Longitudinal Study ◽  
Factor Viia ◽  
Factor Vii ◽  
Maternal Weight Gain ◽  
Maternal Weight ◽  
Foetal Growth ◽  
Indirect Measures ◽  
Activity State ◽  
State Factor

SummaryA longitudinal study of 21 pregnant women has been undertaken using a variety of factor VII assays, including factor VIIa, to investigate the increase of factor VIIc. All assays demonstrated significant rises (p <0.001), most marked for factor VIIa (82%) and factor VIIc rabbit (81%). Smaller rises were seen for factor VIIc bovine (50%) and VII antigen (40%). Three indirect measures of activity state, factor VIIc rabbit:antigen, bovine:antigen and bovine:rabbit, provided conflicting data. Factor VIIa:antigen showed a significant increase of 36% (p <0.001). Within individual pregnancies the change in factor VIIc rabbit and antigen correlated with maternal weight gain (p <0.05). Two activity state measures, bovine:rabbit and bovine:antigen, showed negative correlation with birthweight. The increases in both zymogen and in activity state appear to contribute to the factor VIIc rise. The extent of this rise appears to be influenced by maternal weight gain. Increased factor VII activation is associated with reduced foetal growth.

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