Birth - Preterm: Difference between revisions
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==Neural Development== | ==Neural Development== | ||
[[File:Special educational need by gestational age.jpg|thumb|Prevalence of special educational need by gestation at delivery.<ref name="PMID20543995"><pubmed>20543995</pubmed>| [http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.1000289 PLoS Medicine]</ref>]] | [[File:Special educational need by gestational age.jpg|thumb|Prevalence of special educational need by gestation at delivery.<ref name="PMID20543995"><pubmed>20543995</pubmed>| [http://www.plosmedicine.org/article/info%3Adoi%2F10.1371%2Fjournal.pmed.1000289 PLoS Medicine]</ref>]] | ||
A recent UK population-based study<ref name="PMID20543995" /> "These findings show that gestational age at delivery strongly affects a child's subsequent risk of having an SEN in a dose-dependent manner across the whole range of gestational age. Furthermore, because early term delivery is much more common than preterm delivery, these findings show that early term delivery is responsible for more cases of SEN than preterm delivery." | A recent UK population-based study<ref name="PMID20543995" /> "These findings show that gestational age at delivery strongly affects a child's subsequent risk of having an special educational need (SEN) in a dose-dependent manner across the whole range of gestational age. Furthermore, because early term delivery is much more common than preterm delivery, these findings show that early term delivery is responsible for more cases of SEN than preterm delivery." | ||
==Maternal Obesity== | ==Maternal Obesity== |
Revision as of 15:01, 23 July 2010
Introduction
In the USA the preterm birth rate declined in 2008 to 12.3 percent, from 12.8 percent in 2006. The preterm birth rates also declined from 2006 to 2008 for mothers of all age groups under age 40.[2]
Some Recent Findings
- Overweight and obesity in mothers and risk of preterm birth and low birth weight infants[3] "Overweight and obese women have increased risks of preterm birth and induced preterm birth and, after accounting for publication bias, appeared to have increased risks of preterm birth overall. The beneficial effects of maternal overweight and obesity on low birth weight were greater in developing countries and disappeared after accounting for publication bias."
- Screening to prevent spontaneous preterm birth[1]"For primary prevention, an effective, affordable and safe intervention applied to all mothers without preceding testing is likely to be the most cost-effective approach in asymptomatic women in early pregnancy. For secondary prevention among women at risk of preterm labour in later pregnancy, a management strategy based on the results of testing is likely to be more cost-effective."
Neural Development
A recent UK population-based study[4] "These findings show that gestational age at delivery strongly affects a child's subsequent risk of having an special educational need (SEN) in a dose-dependent manner across the whole range of gestational age. Furthermore, because early term delivery is much more common than preterm delivery, these findings show that early term delivery is responsible for more cases of SEN than preterm delivery."
Maternal Obesity
The following text information is from a recent systematic review and meta-analyses of maternal obesity[3]
What is already known on this topic
- The effect of overweight or obesity in women on risk of preterm birth is debated in the literature
- Uncertainty is reflected in national guidelines, although it is widely believed that the risk of having an infant of low birth weight is decreased in overweight or obese women
What this study adds
- Overweight or obese women have increased risks of preterm birth before 32 weeks and induced preterm birth before 37 weeks, and, accounting for publication bias, preterm birth before 37 weeks overall
- The beneficial effects of overweight or obesity on low birth weight were greater in developing than developed countries and disappeared after accounting for publication bias
- Overweight and obese women should be counselled before pregnancy on their perinatal risks, and appropriate surveillance should be considered during pregnancy
References
- ↑ 1.0 1.1 <pubmed>19796569</pubmed>
- ↑ NCHS Data Brief Number 39, May 2010
- ↑ 3.0 3.1 <pubmed>20647282</pubmed>| BMJ
- ↑ 4.0 4.1 <pubmed>20543995</pubmed>| PLoS Medicine
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Cite this page: Hill, M.A. (2024, June 27) Embryology Birth - Preterm. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Birth_-_Preterm
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