| Titre : | Association of a woman's own birth weight with her subsequent risk for pregnancy-induced hypertension. (2003) |
| Auteurs : | INNES (Kim-E) : USA. Southeastern Rural Mental Health Research Center. University of Virginia. Charlottesville. VA. ; Anna BARON ; Tim-E BYERS ; Richard-F HAMMAN ; Julie-A MARSHALL ; Miriam ORLEANS ; University of Colorado Health Sciences Center. Department of Preventive Medicine and Biometrics. Denver. CO. USA |
| Type de document : | Article |
| Dans : | American journal of epidemiology (vol. 158, n° 9, 2003) |
| Pagination : | 861-870 |
| Langues: | Anglais |
| Mots-clés : | Homme ; Femme ; Poids naissance ; Facteur risque ; Epidémiologie ; Hypertension artérielle ; Grossesse ; Gestation [pathologie] ; Toxémie gravidique ; Appareil circulatoire [pathologie] |
| Résumé : | [BDSP. Notice produite par INIST-CNRS wNPrR0x4. Diffusion soumise à autorisation]. Studies have linked low birth weight to elevated risk for adult hypertension and insulin resistance. However, the relation between birth weight and later risk for pregnancy-induced hypertension (PIH), a disorder associated with insulin resistance and predictive of chronic hypertension, has not been well studied. This case-control study used linked hospital discharge and vital record data from New York State. Subjects were healthy women born in New York State who completed a first pregnancy there between 1994 and 1998. Records from each woman's own birth (1970-1985) were linked to those from her first pregnancy. Cases were 2,180 women diagnosed with PIH. Controls were the 22,955 remaining women with no record of PIH. Birth weight showed a U-shaped relation to risk for PIH, with the highest risks associated with very low and very high birth weights. Relative to women born at 3.5-4.0 kg, odds ratios adjusted for gestational age were 2.1 (95% confidence interval (Cl) : 1.1,3.9) and 1.6 (95% CI : 1.1,2.4), respectively, for women with birth weights less than 1.5 kg and greater than 4.5 kg. Adjustment for other perinatal factors reduced the association with high birth weight to 1.1 (95% CI : 0.7,1.7) but strengthened that with lower birth weights, leaving a strong, inverse relation between birth weight and PIH risk (p for trend<0.0001). These findings support a possible role for early life factors, particularly fetal growth, in the etiology of PIH. |
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