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Longitudinal Population-Based Twin Study of Retrospectively Reported Premenstrual Symptoms and Lifetime Major Depression

Objective: While family and twin studies suggest that retrospectively reported premenstrual symptoms are heritable, these studies have not accounted for the unreliability of such measures. In addition, we know little about the relationship of the familial risk factors for premenstrual symptoms and major depression. Method: Lifetime major depression and premenstrual-related tiredness, sadness, and irritability were assessed twice over 6 years in 1,312 menstruating female twins ascertained from a population-based twin register. A twin-measurement model—which permits estimation of the etiologic roles of genetic and environmental factors with correction for errors of measurement or short-term temporal fluctuations—was applied to these data.Results: A single premenstrual symptom factor was found that was moderately stable over time. The best-fitting twin-measurement model estimated the heritability of the stable component of premenstrual symptoms at 56% and showed no impact of family-environmental factors. A bivariate twin-measurement model estimated that the genetic and environmental risk factors for lifetime major depression contributed only modestly to the etiology of premenstrual syndrome. No evidence was found for significant biases in the twin method.Conclusions: Retrospectively reported premenstrual-related symptoms of depression and anxiety are moderately stable over time and, when correction is made for this level of stability, substantially heritable. The genetic and environmental risk factors for these premenstrual symptoms and lifetime major depression are not closely related. Am J Psychiatry 1998; 155: 1234-1240

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				J. I. Hudson, B. Mangweth, H. G. Pope Jr, C. De Col, A. Hausmann, S. Gutweniger, N. M. Laird, W. Biebl, and M. T. Tsuang Family Study of Affective Spectrum Disorder Arch Gen Psychiatry, February 1, 2003; 60(2): 170 - 177. [Abstract] [Full Text] [PDF]

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