Abnormal Development - Maternal Diabetes: Difference between revisions
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Revision as of 06:40, 10 November 2010
Introduction
Diabetes during pregnancy in any form, whether pregestational (type 1 or type 2) or gestational, increases the risk for adverse maternal and infant outcomes and impacts developmentally on the same systems. In the USA for the year 2000 the most frequently reported medical risk factors were: pregnancy-associated hypertension (38.8 per 1,000 live births) and diabetes (29.3) follwed by anemia (23.9).
A tenfold increase in the prevalence of hypertension and a 10 percent incidence of gestational diabetes have been reported in obese pregnant women.
Note that in some countries reporting on diabetes on birth certificates has a field that indicates whether the "mother had diabetes during pregnancy", but does not necessarily whether this was gestational or a pre-existing diabetes.
Some Recent Findings
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Gestational Diabetes
Gestational diabetes mellitus (GDM) is defined as glucose intolerance with the onset or first detection during pregnancy.
Women with gestational diabetes mellitus can progress to type 2 diabetes mellitus (progression rate 6% to 92%) have high birth weight babies and suffer birth trauma.
Well-controlled class A1 gestational diabetes (fasting blood sugar less than 105 mg/dL). Recent study shows no evidence clearly supports the practice of increased fetal surveillance in these pregnancies.
Australia
- 2005-06, 4.6% of women aged 15-49 years who gave birth in hospital were diagnosed with GDM (more than 12,400 women and their babies)
- 15-49 year age bracket incidence increased by over 20% between 2000-01 and 2005-06.
- Risk of being diagnosed with gestational diabetes increases with age - from 1% among 15-19 year old women to 13% among women 44-49 years of age.
- Women aged 30-34 years (age group that has the most babies) accounted for over 30% of GDM cases in 2005-06.
- Women born overseas are twice the incidence rate of women born in Australia.
- Women born in Southern Asia are at particularly high risk with an incidence rate 3.4 times the rate of Australian-born women.
- Aboriginal and Torres Strait Islander women rate 1.5 times as high as other Australian women and had a higher risk across all age groups.
AIHW Report - Gestational diabetes mellitus in Australia 2005-06
Fetal Macrosomia
Fetal macrosomia is a clinical description for a fetus that is too large, condition increases steadily with advancing gestational age and defined by a variety of birthweights. In pregnant women, anywhere between 2 - 15% have birth weights of greater than 4000 grams (4 Kg, 8 lb 13 oz).
- Links: Birth
References
- ↑ Liang J, Gui Y, Wang W, Gao S, Li J, Song H. Elevated glucose induces congenital heart defects by altering the expression of tbx5, tbx20, and has2 in developing zebrafish embryos. Birth Defects Res A Clin Mol Teratol. 2010 Jun;88(6):480-6. PMID20306498
Journals
Reviews
Articles
<pubmed>16998815</pubmed>
Search Pubmed
November 2010 "Maternal Diabetes"
Search Pubmed: Maternal Diabetes
External Links
Glossary Links
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Cite this page: Hill, M.A. (2024, June 10) Embryology Abnormal Development - Maternal Diabetes. Retrieved from https://embryology.med.unsw.edu.au/embryology/index.php/Abnormal_Development_-_Maternal_Diabetes
- © Dr Mark Hill 2024, UNSW Embryology ISBN: 978 0 7334 2609 4 - UNSW CRICOS Provider Code No. 00098G