Our search terms were ["head circumference" OR birthweight OR weight OR length OR height OR anthropometric OR anthropometry OR "occipito-frontal" OR "growth curves" OR "length or height or stature" OR "growth charts"] alone or AND [ethnic group or nation].
In summary, vigorous physical activity does not appear to be detrimental to the timing of birth or birthweight.
Had the Building Blocks trial shown a significant effect on prenatal smoking or birthweight, the review would have yielded sufficient information for an extrapolation exercise to be undertaken.
Miscarriage was defined as a delivery <22 weeks gestation or birthweight <500 g [ 29].
The majority of the studies suggest that paternal factors are less important in determining gestational length or birthweight (61, 62).
No significant differences were found in maternal age, socioeconomic status, gestational age at delivery, fetal gender, or birthweight.
There was no relationship between customized birth centile or birthweight in grams and Hb/MCV at 12 or 28-week pregnancy in this study.
There was no significant association between birthweight <2.5 kg or birthweight <10th centile on the population chart with this composite outcome.
