Reproductive history in women with coronary heart disease: A case-control study

C. Mary Beard, Valentin Fuster, John F. Annegers

Research output: Contribution to journalArticlepeer-review

59 Scopus citations

Abstract

Reproductive history events may be risk factors for coronary heart disease among women under age 60. In this study, the cases were 169 women under age 60 with a diagnosis of coronary heart disease while residents of Rochester, Minnesota. The first manifestation of coronary heart disease was angina in 95, myocardial infarction in 59, and sudden unexpected death in 15 women. Two age- and sex-matched controls for each case were selected from all registrations for care at the Mayo Clinic in the same year the case was diagnosed. The cases had more of the accepted coronary heart disease risk factors-i.e., hypertension (relative risk = 2.9), smoking (relative risk = 2.4), elevated serum cholesterol (relative risk = 2.6), and diabetes (relative risk = 4.1)-than did controls. In addition, women undergoing artificial menopause and those whose first pregnancy was before age 25 appeared to be at higher risk of coronary heart disease. Use of multivariate analysis to control for known coronary heart disease risk factors resulted in a relative risk of 1.9 for women whose age at first pregnancy was <20, and 1.8 for those whose age at first pregnancy was 20-24, as compared with those never pregnant and those whose age at first pregnancy was ij25.

Original languageEnglish
Pages (from-to)108-114
Number of pages7
JournalAmerican Journal of Epidemiology
Volume120
Issue number1
DOIs
StatePublished - Jul 1984
Externally publishedYes

Keywords

  • Coronary disease
  • Menopause
  • Pregnancy
  • Reproduction
  • Risk

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