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Prevalence of maternal chronic diseases during pregnancy: a nationwide population based study from 1989 to 2013

Publikation: Bidrag til tidsskriftTidsskriftartikelForskningfagfællebedømt

  • Line Riis Jølving
  • Jan Nielsen
  • Ulrik Schiøler Kesmodel
  • Rasmus Gaardskær Nielsen
  • Signe Sparre Beck-Nielsen
  • Bente Mertz Nørgård

INTRODUCTION: There is substantial evidence of a negative impact of maternal chronic disease during pregnancy on reproductive outcomes. Knowledge of the prevalence of chronic diseases during pregnancy is limited, but essential for a focused preventive effort regarding optimal disease control during pregnancy. We aimed to analyze the prevalence of chronic diseases during pregnancy.

MATERIAL AND METHODS: This register-based cohort study included all women giving birth in Denmark between 1989 and 2013 based on data from Danish health registers. Maternal chronic diseases included 23 disease categories of both physical and mental health conditions recorded within a period of 10 years before childbirth.

RESULTS: We included 1 362 200 childbirths during the study period. The overall prevalence of maternal chronic disease increased from 3.71% in 1989 to 15.76% in 2013. The most frequently registered chronic diseases were chronic lung diseases/asthma (1.73%), thyroid disorders (1.50%) and anxiety and personality disorders (1.33%). Taking increasing maternal age at birth into account, the relative risk for women to have a chronic disease from 2009 to 2013 was 4.14 (95% CI 4.05-4.22), compared with mothers giving birth from 1989 to 1993.

CONCLUSIONS: We found an increasing prevalence of maternal chronic disease during pregnancy and more than a four-fold increased risk of maternal chronic disease during pregnancy for childbirths in the period 2009 through 2013, compared with 1989 through 1993. The main limitation of our study is related to a potentially greater awareness and hence more careful registration of maternal chronic disease over time and thereby an increased tendency to register diseases.

OriginalsprogEngelsk
TidsskriftActa Obstetricia et Gynecologica Scandinavica
Vol/bind95
Udgave nummer11
Sider (fra-til)1295-1304
Antal sider10
ISSN0001-6349
DOI
StatusUdgivet - nov. 2016

ID: 178900618