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Higher birth weight resulted in more fit adults (Vitamin D not mentioned) – Jan 2020

Birth Weight and Cardiorespiratory Fitness Among Young Men Born at Term: The Role of Genetic and Environmental Factors

Journal of the American Heart Association. 2020;9:e014290, https://doi.org/10.1161/JAHA.119.014290
Viktor H. Ahlqvist, Margareta Persson, Francisco B. Ortega, Per Tynelius, Cecilia Magnusson, and Daniel Berglind

VitaminDWiki

Pregnancy category starts with:

749 items in Pregnancy category

 - see also

Healthy pregnancies need lots of vitamin D summary:

Problem
ReducesEvidence
0. Chance of not conceiving3.4 times Observe
1. Miscarriage 2.5 times Observe
2. Pre-eclampsia 3.6 timesRCT
3. Gestational Diabetes 3 times RCT
4. Good 2nd trimester sleep quality 3.5 times Observe
5. Premature birth 2 times RCT
6. C-section - unplanned 1.6 timesObserve
     Stillbirth - OMEGA-3 4 timesRCT - Omega-3
7. Depression AFTER pregnancy 1.4 times RCT
8. Small for Gestational Age 1.6 times meta-analysis
9. Infant height, weight, head size
     within normal limits
RCT
10. Childhood Wheezing 1.3 times RCT
11. Additional child is Autistic 4 times Intervention
12.Young adult Multiple Sclerosis 1.9 timesObserve
13. Preeclampsia in young adult 3.5 timesRCT
14. Good motor skills @ age 31.4 times Observe
15. Childhood Mite allergy 5 times RCT
16. Childhood Respiratory Tract visits 2.5 times RCT

RCT = Randomized Controlled Trial


Items in both categories Pregnancy and Sports are listed here:


The Heavier the Baby, the Fitter the Young Adult? New York Times reporting on this study

As birth weight increased, so did levels of cardiovascular fitness at ages 17 to 25, a Swedish study found. NYT
"For each one-fifth of a pound increase in birth weight within the normal range of six to nine pounds, there was a 1.74-watt increase in the energy a man was able to generate. This means that, on average, a man born at 7.6 pounds was able to generate, at maximum effort, 8.7 more watts of energy than one born a pound lighter."

 Download the PDF from VitaminDWiki
Background
Preterm delivery and low birth weight are prospectively associated with low cardiorespiratory fitness (CRF). However, whether birth weight, within the at‐term range, is associated with later CRF is largely unknown. Thus, the aim of the current study was to examine this issue and whether such association, if any, is explained by shared and/or nonshared familial factors.

Methods and Results
We conducted a prospective cohort study, including 286 761 young male adults and a subset of 52 544 siblings born at‐term. Objectively measured data were retrieved from total population registers. CRF was tested at conscription and defined as the maximal load obtained on a cycle ergometer. We used linear and nonlinear and fixed‐effects regression analyses to explore associations between birth weight and CRF. Higher birth weight, within the at‐term range, was strongly associated with increasing CRF in a linear fashion. Each SD increase in birth weight was associated with an increase of 7.9 (95% CI, 7.8–8.1) and 6.6 (95% CI; 5.9–7.3) Wmax in the total and sibling cohorts, respectively. The association did not vary with young adulthood body mass index.

Conclusions
Birth weight is strongly associated with increasing CRF in young adulthood among men born at‐term, across all categories of body mass index. This association appears to be mainly driven by factors that are not shared between siblings. Hence, CRF may to some extent be determined already in utero. Prevention of low birth weight, also within the at‐term‐range, can be a feasible mean of increasing adult CRF and health.


Created by admin. Last Modification: Tuesday February 4, 2020 18:42:39 GMT-0000 by admin. (Version 4)

Attached files

ID Name Comment Uploaded Size Downloads
13446 Birth Weight and Cardiorespiratory Fitness.pdf PDF 2020 admin 04 Feb, 2020 18:26 789.29 Kb 840
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