Birth - Macrosomia: Difference between revisions
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Revision as of 10:06, 21 April 2013
Introduction
Macrosomia (large gestational age, LGA) is a term used to describe a newborn with an excessive birth weight due to a range of known and unknown causes. The definition is either a birth weight of 4000 to 4500 g (8 lb 13 oz to 9 lb 15 oz) or greater than 90% for gestational age after correcting for neonatal sex and ethnicity.
- Duration of gestation - growth past the due date.
- Maternal diabetes - presence of gestational diabetes; and class A, B, and C diabetes mellitus.
- Genetic Syndromes and Tumours - a range of overgrowth syndromes associated with developmental delay, tumors, and other anomalies with genetic causes and syndromes (Pallister-Killian, Beckwith-Wiedemann, Sotos, Perlman, and Simpson-Golabi-Behmel) rarely diagnosed prenatally.
Currently there is clinical research looking into the best mathematical formula, based upon ultrasound measurements, to estimate the possibility of macrosomia occurring.
Some Recent Findings
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Birth Weight Classification
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Birth weight (grams) | less 500 | 500 – 999 | 1,000 – 1,499 | 1,500 – 1,999 | 2,000 – 2,499 | 2,500 – 2,999 | 3,000 – 3,499 | 3,500 – 3,999 | 4,000 – 4,499 | 4,500 – 4,999 | 5,000 or more |
Classification |
References
Reviews
<pubmed></pubmed> <pubmed></pubmed> <pubmed>22459652</pubmed>
Articles
<pubmed></pubmed> <pubmed></pubmed> <pubmed>18598122</pubmed>
Search Pubmed
Search Pubmed: Macrosomia | high birth weight
External Links
External Links Notice - The dynamic nature of the internet may mean that some of these listed links may no longer function. If the link no longer works search the web with the link text or name. Links to any external commercial sites are provided for information purposes only and should never be considered an endorsement. UNSW Embryology is provided as an educational resource with no clinical information or commercial affiliation.
- American Academy of Family Physicians Management of Suspected Fetal Macrosomia (2001)
- MedlinePlus Topic
Glossary Links
- Glossary: A | B | C | D | E | F | G | H | I | J | K | L | M | N | O | P | Q | R | S | T | U | V | W | X | Y | Z | Numbers | Symbols | Term Link
Cite this page: Hill, M.A. (2024, April 25) Embryology Birth - Macrosomia. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Birth_-_Macrosomia
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G