title: Does frank diabetes in first-degree relatives of a pregnant woman affect the likelihood of her developing gestational diabetes mellitus or nongestational diabetes?
abstract: OBJECTIVE
  We sought to examine the associations between patterns of family histories of diabetes and a history of gestational diabetes mellitus (hGDM).
  
  
  METHODS
  Parous women participating in the National Health and Nutrition Examination Survey III (n=4566) were classified as having hGDM only, diagnosed diabetes, or neither. Family history of diabetes was categorized as: maternal only, paternal only, biparental, and sibling only. The covariate-adjusted prevalence and odds of having hGDM were estimated.
  
  
  RESULTS
  Compared to women without a family history of diabetes, women with a maternal (odds ratio [OR], 3.0; 95% confidence interval [CI], 1.2-7.3), paternal (OR, 3.3; 95% CI, 1.1-10.2), or sibling (OR, 7.1; 95% CI, 1.6-30.9) history of diabetes had greater odds of hGDM, after adjustment for age and race/ethnicity.
  
  
  CONCLUSIONS
  Women with a sibling history of diabetes were more likely to have hGDM than women with other family history patterns.
authors.affiliation: Department of Medicine, University of Michigan Medical School, Ann Arbor, MI, USA.
authors.forename: Catherine
authors.initials: C
authors.lastname: Kim
authors.forename: Tiebin
authors.initials: T
authors.lastname: Liu
authors.forename: Rodolfo
authors.initials: R
authors.lastname: Valdez
authors.forename: Gloria L
authors.initials: GL
authors.lastname: Beckles
mesh_terms: D000328:Adult; D003920:Diabetes Mellitus / Q000235:genetics; D016640:Diabetes, Gestational / Q000235:genetics*; D005190:Family; D005260:Female; D020022:Genetic Predisposition to Disease; D006801:Humans; D011247:Pregnancy
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