Intrauterine Growth Restriction (IUGR)
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Extracted from Survival Guide to Midwifery, 2nd Edition (2012) Diane M. Fraser and Margaret A. Cooper, Oxford; Churchill Livingstone: 2012. Courtesy Elsevier
Failure of normal fetal growth caused by multiple adverse effects on the fetus.
Fetal growth is regulated by maternal, placental and fetal factors, any or all of which can be implicated in IUGR.
Asymetric (acute) growth is when weight is reduced out of proportion to length and head circumference. It is thought to be caused by extrinsic factors such as pregnancy-induced hypertension.
Symetric (chronic) growth is due to decreased growth potential of the fetus as a result of congenital infection or chromosomal/genetic defects (intrinsic) or extrinsic factors occurring early in gestation, e.g. effects of maternal smoking, or poor dietary intake).
Medscape. Goss M. (2015) Fetal growth restriction. Available at: http://emedicine.medscape.com/article/261226-overview
Tidy C. (2013) Intrauterine Growth Restriction (Professional reference). Available at: http://patient.info/doctor/intrauterine-growth-restriction