Glucose Metabolism in Pregnancy at High Altitude
Open accessAbstract
OBJECTIVE—To assess insulin sensitivity and β-cell function associated with lower maternal fasting plasma glucose levels at high altitude compared with sea level. RESEARCH DESIGN AND METHODS—We studied 215 pregnant women at 8–42 weeks of gestation in Peru. The women were recruited from Cerro de Pasco, which is situated 4,370 m (14,340 feet) above sea level, and Lima, which is at sea level. We also examined 53 nonpregnant control subjects (22 in Cerro de Pasco and 31 in Lima). Fasting plasma glucose, insulin, C-peptide, and proinsulin concentrations were measured in samples obtained from the antecubital vein between 8:00 a.m. and 10:00 a.m. after an overnight period of fasting for 10–14 h. Insulin resistance and β-cell function were calculated using homeostasis model assessment. RESULTS—Fasting C-peptide levels and β-cell function were similar, fasting concentrations of insulin and proinsulin were lower, and insulin sensitivity was higher at high altitude compared with sea level. CONCLUSIONS—Maternal fasting plasma glucose that is lower at high altitude than at sea level in the presence of similar insulin secretion is associated with higher peripheral insulin sensitivity. This may partly explain the lower birth weights at high altitudes.
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The normal pregnancy-induced increase in maternal insulin resistance associated with increased placental production of somatotrophic and steroid hormones is absent in women chronically hypoxic at high altitude.
“Certainly, the normal pregnancy-induced increase in maternal insulin resistance associated with increased placental production of somatotrophic and steroid hormones is absent in women chronically hypoxic at high altitude (316).”
From Placental Origins of Chronic Disease (2016) · cites this paper as [316]
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Placental Origins of Chronic Disease
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- Authors
- Krampl, E., Kametas, N. A., Nowotny, P., Roden, M., & Nicolaides, K. H.
- Affiliations
- Harris Birthright Research Centre for Fetal Medicine (GB)
- Harris Birthright Research Center for Fetal Medicine, King’s College Hospital, London, U.K.
- University of Vienna (AT)
- Venue
- Diabetes Care
- Publisher
- American Diabetes Association
- Published
- 2001-05-01
- Volume
- 24
- Issue
- 5
- Pages
- 817-822
- ISSN
- 0149-5992 (ISSN-L)
- 1935-5548
- OpenAlex
- W2067814203
- Cited by
- 41
- References
- 31
- Citations by year
- 2026: 1 · 2025: 2 · 2023: 2 · 2022: 2 · 2021: 1 · 2020: 2 · 2019: 1 · 2018: 3 · 2017: 2 · 2016: 1 · 2015: 2 · 2013: 1
- FWCI
- 2.63
- Type
- journal article
- Language
- en
- Update notices
- correction (2001-07-01)
- Open access
- bronze
- doi.org
- Locations
- Diabetes Care (publishedVersion)
- PubMed (publishedVersion)
- Research Portal (King's College London) (submittedVersion)
- Funders
- Fetal Medicine Foundation (1 037 116)
- Topics
- Health Sciences › Medicine › Obstetrics and Gynecology › Gestational Diabetes Research and Management
- Life Sciences › Biochemistry, Genetics and Molecular Biology › Genetics › High Altitude and Hypoxia
- Health Sciences › Medicine › Surgery › Pancreatic function and diabetes
- Keywords
- high altitude, pregnancy, glucose metabolism, insulin sensitivity, beta-cell function, fasting blood glucose, C-peptide, proinsulin, insulin resistance, birth weight, maternal hyperglycemia
- MeSH terms
- Insulin Secretion, Altitude, Blood Glucose, C-Peptide, Cross-Sectional Studies, Female, Gestational Age, Humans, Insulin, Islets of Langerhans, Peru, Pregnancy, Proinsulin, Regression Analysis, Body Mass Index
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