Talk:Birth weight
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See also: Talk:Large_for_gestational_age
[edit] 4000 or 4500?
"defined as a fetus that weighs above 4000 grams (8 lb 13 oz) or 4500 grams (9 lb 15 oz) regardless of gestational age". Don't these two figures contradict each other? Is it 4000 grams or 4500? Or am I misreading? Can someone fix or clarify? -anon 22:47, 1 August 2006 (UTC)
- Sorry if it's not clear. It depends on who is defining it as some say it's over 4000 grams and some say over 4500. If I remember correctly it's partially down to the U.K./U.S./other divide. violet/riga (t) 23:06, 1 August 2006 (UTC)
- Oh come now my sister was 11 pounds at birth and perfectly normal. She wasn't even as tall as I was and I weighed 2 pounds less at 23 inches. —Preceding unsigned comment added by 64.122.63.142 (talk) 18:29, 26 September 2007 (UTC)
[edit] sex of baby and weight
"The incidence of birth weight being outside of the AGA is influenced by the parents in numerous ways, including:
* Genetics * The health of the mother, particularly during the pregnancy * Environmental factors"
Does the sex of the baby not play any part? What about when there are twins, don't they result in lower birth weights?
Just being pedantic..... Poweroid 20:01, 24 November 2006 (UTC)
um, yes multiples do increase risk for SGA, as well as grand multipara, primapara, lack of prenatal care, low SES(socio economic status, third trimester malnutrition, heart/kidney disease, sub abuse, sickle cell anemia, PKU, comps of PIH, chronic hyperT, sm placenra, previa,
I cant figure out how to post a new thread so, on an unrelated topic, I have an issue with the comment under Asymmetric SGA that states thet the fetal head is disproportioned to the body measurements. I do not think this is an accurate defining charachteristic of ASGA. this may be the case hoeever, as a description I believe that most would agree that ONLY the weight falls below the 10th percentile. the baby is large in measurement but thin; lacking adipose tissue. any objections?
[edit] Redirect and external links to IUGR
I just noticed that small for gestational age redirects here. This article does not deal with the adverse birth outcome known as IUGR, only SGA, and yet it externally links to IUGR. There are several reasons why it might be sensible to create a separate page for these birth outcomes, instead of including them all under birth weight: e.g. low birth weight, term low birth weight, intra uterine growth retardation, small for gestational age, fetal growth restriction etc. (note that both fetal growth restriction and low birth weight also redirect to birth weight at present)
Several external links dealing with IUGR (intra uterine growth retardation) are included for this article, which is ostensibly dealing with SGA. While some clinicians and researchers may use these terms interchangeably (partly because there is no accepted clinical definition for IUGR), this situation allows for considerable misclassification and general confusion. The reason for this is that a neonate can be SGA without necessarily being IUGR i.e. it is just small relative to its growth potential, rather than being pathologically small. Reciprocally, an IUGR neonate does not necessarily end up as SGA - if it already had a high growth potential (say it was likely to be a very large baby because of its parents), but was does not reach this due to IUGR, it might still end up as not being SGA (which is referenced against centiles based on an entire population). There are other problems that arise due to the use of the same statistical references for the use of both IUGR and SGA classifications, but I won't go into these here. I would suggest removing the external references to IUGR, renaming those that actually deal with SGA appropriately, and/or finding specific SGA references. And that is if the page is remain without references to IUGR. If the page is going to deal with all the adverse birth outcomes I mention in my first comment (above) - and not deal with these in separate articles - I will gladly make a start.
