In the Philippines, birth weights
were not indicated in the documents of about 19.3 percent of births in 2013.
Season of birth effect: Season of birth was a significant source of variation for birth weight
, yearling weight, 18-month weight and post-weaning growth rate (Pa$?0.05).
Furthermore, in a large retrospective observational cohort study from France, heavier male than female CAH newborns, but overall normal mean birth weight
and birth length were reported (17).
Mother with abdominal circumference (in cm) of <92 gave birth to male babies with a mean birth weight
of 3.02 [+ or -] 0.27 or female babies with a mean birth weight
of 2.51 [+ or -] 0.40.
Ultrasound estimation of birth weight
in twin pregnancy: comparison of biometry algorithms in the STORK multiple pregnancy cohort.
Dimetry et al26 have reported that percentage of low birth weight
neonates was higher among the group who suffered UTIs during pregnancy with highly significant difference (p<0.01).
In Shanghai where the annual average PM2.5 concentration was 56.19 [micro]g/[m.sup.3], the study estimated that 33% of preterm births and 23% of low birth weight
births were directly caused by pollution.
In the first binary linear regression and correlation model maternal variable parameters, gravidity, gestational age, number of ANC, household family size, and maternal age were significantly associated with birth weight
of a new-born baby who weighs 2.5 kg or less irrespective of gestational age.
In the course of pregnancy, anthropometric measures such as maternal weight, weight for height or BMI, height or arm circumference have been shown to be good predictors of birth weight
and survival.11,12 MUAC is a good indicator of the protein reserves of a body, and a thinner arm reflects wasted lean mass, i.e.
Researchers do not know why exposure to atypically high or low temperatures would affect birth weight
. The authors note that previous studies have suggested that heat exposure could affect birth weight
by increasing oxidative stress--toxic byproducts formed when oxygen interacts with cells and tissues--and by increasing inflammation.
The Ram-wise results for birth weight
and yearling body of Bibrik sheep sheep