Cited by 486Gestational Diabetes Research and ManagementPregnancy and Medication ImpactDiabetes Management and Research

Outcomes in Type 1 Diabetic Pregnancies

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Jensen, Dorte M., Damm, Peter, Moelsted-Pedersen, Lars, Ovesen, Per, Westergaard, Jes G., Moeller, Margrethe, Beck-Nielsen, Henning·2004·Diabetes Care

Abstract

OBJECTIVE—The aim of this study was to compare pregnancy outcomes in type 1 diabetic pregnancies with the background population. RESEARCH DESIGN AND METHODS—This nationwide prospective multicenter study took place in eight Danish centers treating pregnant women with type 1 diabetes during 1993–1999. A total of 990 women with 1,218 pregnancies and delivery after 24 weeks (n = 1,215) or early termination due to severe congenital malformations (n = 3) were included. Data were collected prospectively by one to three caregivers in each center and reported to a central registry. RESULTS—The perinatal mortality rate was 3.1% in type 1 diabetic pregnancies compared with 0.75% in the background population (RR 4.1 [95% CI 2.9–5.6]), and the stillbirth rate was 2.1% compared with 0.45 (4.7 [3.2–7.0]). The congenital malformation rate was 5.0% in the study population and 2.8% (1.7 [1.3–2.2]) in the background population. Six of the perinatal deaths (16%) were related to congenital malformations. Only 34% of women performed daily home monitoring of blood glucose at conception, and 58% received preconceptional guidance. Pregnancies with serious adverse outcomes (perinatal death and/or congenital malformations) were characterized by higher HbA1c values before and during pregnancy and a lesser degree of maternal self-care and preconceptional guidance. Women who performed daily self-monitoring of blood glucose at any time during pregnancy had lower HbA1c values than women who did not measure their daily profile. Likewise, daily self-monitoring was associated with a reduction in serious adverse outcomes. The caesarean section rate was 55.9 and 12.6%, respectively, and the risk of preterm delivery was 41.7 and 6.0%, respectively. CONCLUSIONS—Type 1 diabetic pregnancies are still complicated by considerably higher rates of severe perinatal complications compared with the background population, and women with poor self-care are at the highest risk. Adequate glycemic control using daily glucose monitoring before and during pregnancy is a crucial step toward reaching the goals of the St. Vincent declaration.

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  • Overall, studies show that treatment including a basal insulin regimen gives better glycemic control than sliding-scale insulin alone.

    “Overall, studies have shown that treatment including a basal insulin regimen resulted in better glycemic control compared with sliding-scale insulin alone.92,107–109”

    From American Association of Clinical Endocrinology Clinical Practice Guideline: Developing a Diabetes Mellitus Comprehensive Care Plan-2022 Update. (2022) · cites this paper as [109]

    The Results report that approximately 95% of the pregnant women used a basal/bolus insulin regimen, but do not compare it with sliding-scale insulin alone. The paper associates better glycemic control with daily glucose self-monitoring, not with one insulin regimen over another (Results and discussion; page unavailable). Searches for basal insulin and sliding-scale insulin found no such comparison in our copy. (LLM, conf=0.76)

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Authors
Jensen, D. M., Damm, P., Moelsted-Pedersen, L., Ovesen, P., Westergaard, J. G., Moeller, M., & Beck-Nielsen, H.
Affiliations
  • Odense University Hospital (DK)
  • University of Copenhagen (DK)
  • Department of Obstetrics and Gynaecology, Copenhagen County Hospital, Glostrup, University of Copenhagen, Copenhagen, Denmark
  • Aarhus University Hospital (DK)
  • University of Southern Denmark (DK)
  • Department of Obstetrics and Gynecology, Aalborg University Hospital, Aalborg, Denmark
  • Department of Endocrinology, Odense University Hospital, Odense, Denmark
Venue
Diabetes Care
Published
2004-12-01
Volume
27
Issue
12
Pages
2819-2823
ISSN
  • 0149-5992 (ISSN-L)
  • 1935-5548
OpenAlex
W1978110501
Cited by
486
References
14
Citations by year
2026: 9 · 2025: 6 · 2024: 16 · 2023: 12 · 2022: 16 · 2021: 18 · 2020: 15 · 2019: 17 · 2018: 19 · 2017: 74 · 2016: 21 · 2015: 17 · 2014: 23 · 2013: 28 · 2012: 27
FWCI
17.64
Type
journal article
Language
en
Open access
Locations
  • Diabetes Care (publishedVersion)
  • PubMed (publishedVersion)
  • University of Southern Denmark Research Portal (University of Southern Denmark) (submittedVersion, other-oa)
Funders
Diabetesforeningen
Topics
  • Health Sciences › Medicine › Obstetrics and Gynecology › Gestational Diabetes Research and Management
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Pregnancy and Medication Impact
  • Health Sciences › Medicine › Endocrinology, Diabetes and Metabolism › Diabetes Management and Research
Keywords
type 1 diabetes in pregnancy, perinatal mortality, stillbirth, congenital malformations, glycemic control, HbA1c, self-monitoring of blood glucose, maternal self-care, cesarean section, preterm birth, St. Vincent Declaration
MeSH terms
Congenital Abnormalities, Denmark, Female, Gestational Age, Humans, Infant, Newborn, Jaundice, Pregnancy, Pregnancy Complications, Pregnancy Outcome, Respiratory Distress Syndrome, Newborn, Diabetes, Gestational, Diabetes Complications

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