Diabetes among Māori women with self-reported past gestational diabetes mellitus in a New Zealand Māori community

The Australian & New Zealand Journal of Obstetrics & Gynaecology
David SimmonsElaine Rush

Abstract

Gestational diabetes mellitus (GDM) is a risk factor for subsequent development of type 2 diabetes mellitus (T2DM). We have investigated the extent of this risk among Māori women without known diabetes. We recruited 2786 Māori women aged 28-86 years between 2004 and 2006, without diagnosed diabetes from the Waikato and Southern Lakes regions, via media, community and general practitioner channels, and invited them for an oral glucose tolerance test (OGTT). Fifty (1.8%) women reported previous GDM (pGDM). The prevalence decreased significantly with age (P = 0.009). Women aged <50 years with pGDM had higher body mass index (35.6 ± 6.7 vs 32.4 ± 7.7 kg/m2 , P < 0.01), waist circumference (105.3 ± 18.8 vs 96.9 ± 16.6 cm, P < 0.01), fasting blood glucose (5.5 ± 1.0 vs 5.1 ± 0.8 mmol/L, P ≤ 0.01), two-hour post-prandial blood glucose (6.6 ± 3.0 vs 5.6 ± 2.1 mmol/L, P < 0.01) and HbA1c (6.0 ± 0.8 vs 5.8 ± 0.6%, P < 0.05) than women without pGDM. PGDM was a significant risk factor for undiagnosed diabetes (odds ratio 4.0; (5% confidence interval 1.67-9.71). Undiagnosed diabetes was significantly more prevalent among women with than without pGDM aged <40 years (20.0% vs 1.5%). Self-reported past GDM was a significant risk factor for und...Continue Reading

References

Dec 10, 1999·Diabetic Medicine : a Journal of the British Diabetic Association·D SimmonsT Kenealy
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Jan 10, 2004·The Australian & New Zealand Journal of Obstetrics & Gynaecology·Diana WatsonMalcolm R Battin
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Jan 20, 2009·International Journal of Gynaecology and Obstetrics : the Official Organ of the International Federation of Gynaecology and Obstetrics·Peter Damm
Nov 21, 2009·The Journal of Clinical Endocrinology and Metabolism·Ravi RetnakaranAnthony J G Hanley

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