The Placenta in Obesity and Diabetes MelLitus

Research output: Chapter in Book/Report/Conference proceedingChapter

1 Citation (Scopus)

Abstract

The placenta is a diary of the pregnancy. Its gross and histologic features reflect maternal physiology, uteroplacental blood flow, and fetoplacental demand. Obesity (body mass index of 30kgm-2, or greater) and diabetes melLitus (preexisting and gestational) are growing problems in our population. In the United States, nearly one in three reproductive age women are obese. Recent data from our university hospital in Oregon revealed that 40% of our patients were obese at the start of their pregnancies. This is significant because obesity is associated with an increased risk of gestational diabetes melLitus (GDM), preterm birth, fetal growth abnormaLities, preeclampsia, and stillbirth. In turn, GDM is more common than a generation ago, with an estimated prevalence of 4-6% in the United States. The impact is significant: Obesity alone increases the risk of stillbirth by threefold, while GDM increases this risk to approximately tenfold.Over the past 25 years it has become increasingly clear that nutritional and stress conditions in the womb are primary drivers of adult-onset chronic disease in the offspring. The modification of a growing fetus that leads to later disease is called 'programming.' The placenta is the gatekeeper that regulates nutritional flow from a mother to her fetus. Therefore, the development and maintenance of the placenta during the whole gestation is a key element in determining the health of the entire population. Unfortunately, the placenta is the least studied of all organs.How obesity and GDM affect placental and fetal growth are only beginning to be understood. This article will discuss the effects of obesity and diabetes on fetoplacental growth, the histopathologic features common to these placentas, the role of spiral artery remodeLing, and how obesity and GDM affect uteroplacental blood flow and placental nutrient transport. The article will end by stating the anticipated impact of the obesity/diabetes epidemic on developmental programming. These mechanisms need to be better understood, and to fully clarify the role of the placenta in the world of chronic disease will require enormous investments in research.

Original languageEnglish (US)
Title of host publicationPathobiology of Human Disease
Subtitle of host publicationA Dynamic Encyclopedia of Disease Mechanisms
PublisherElsevier Inc.
Pages2395-2402
Number of pages8
ISBN (Electronic)9780123864567
ISBN (Print)9780123864574
DOIs
StatePublished - Jan 1 2014

Fingerprint

Gestational Diabetes
Placenta
Diabetes Mellitus
Obesity
Stillbirth
Fetal Development
Pregnancy
Blood Physiological Phenomena
Fetus
Chronic Disease
Mothers
Premature Birth
Pre-Eclampsia
Population
Body Mass Index
Arteries
Maintenance
Food
Health
Growth

Keywords

  • Gestational diabetes melLitus (GDM)
  • Obesity
  • Placental insufficiency

ASJC Scopus subject areas

  • Medicine(all)

Cite this

Morgan, T., Frias, A., O'Tierney-Ginn, P., & Thornburg, K. (2014). The Placenta in Obesity and Diabetes MelLitus. In Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms (pp. 2395-2402). Elsevier Inc.. https://doi.org/10.1016/B978-0-12-386456-7.05010-3

The Placenta in Obesity and Diabetes MelLitus. / Morgan, Terry; Frias, Antonio; O'Tierney-Ginn, P.; Thornburg, Kent.

Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms. Elsevier Inc., 2014. p. 2395-2402.

Research output: Chapter in Book/Report/Conference proceedingChapter

Morgan, T, Frias, A, O'Tierney-Ginn, P & Thornburg, K 2014, The Placenta in Obesity and Diabetes MelLitus. in Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms. Elsevier Inc., pp. 2395-2402. https://doi.org/10.1016/B978-0-12-386456-7.05010-3
Morgan T, Frias A, O'Tierney-Ginn P, Thornburg K. The Placenta in Obesity and Diabetes MelLitus. In Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms. Elsevier Inc. 2014. p. 2395-2402 https://doi.org/10.1016/B978-0-12-386456-7.05010-3
Morgan, Terry ; Frias, Antonio ; O'Tierney-Ginn, P. ; Thornburg, Kent. / The Placenta in Obesity and Diabetes MelLitus. Pathobiology of Human Disease: A Dynamic Encyclopedia of Disease Mechanisms. Elsevier Inc., 2014. pp. 2395-2402
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