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T Forsén a National Public Health Institute, Department of
Epidemiology and Health Promotion, Diabetes and Genetic Epidemiology
Unit, Mannerheimintie 166, Helsinki, Finland, b Medical
Research Council Environmental Epidemiology Unit, University of
Southampton, Southampton General Hospital, Southampton SO16 6YD
Correspondence to: D J P Barker
david.barker{at}mrc.soton.ac.uk
Objective:
To examine whether women who develop
coronary heart disease have different patterns of fetal and childhood
growth from men in the same cohort who develop the disease.
Design:
Follow up study of women whose body size at birth was recorded and who had an average of 10 measurements of height
and weight during childhood.
Setting:
Helsinki, Finland.
Subjects:
3447 women who were born in Helsinki
University Central Hospital during 1924-33 and who went to school in Helsinki.
Main outcome measures:
Hazard ratios for hospital
admission for or death from coronary heart disease.
Results Coronary heart disease among women was associated with
low birth weight (P=0.08 after adjustment for gestation, P=0.007 after
adjustment for placental weight) and was more strongly associated with
short body length at birth (P=0.001 and P<0.0001, respectively). The
hazard ratio for women developing coronary heart disease increased by
10.2% (95% confidence interval 4.3 to 15.7) for each cm decrease in
length at birth. The effect of short length at birth was greatest in
women whose height "caught up" after birth so that as girls they
were tall. Such girls tended to have tall mothers. In contrast, men in
the same cohort who developed the disease were thin at birth rather
than short, showed "catch up" growth in weight rather than height,
and their mothers tended to be overweight rather than tall.
Conclusion:
Coronary heart disease among both women
and men reflects poor prenatal nutrition and consequent small body size
at birth combined with improved postnatal nutrition and "catch up"
growth in childhood. The disease is associated with reductions in those
aspects of body proportions at birth that distinguish the two
sexes
short body length in women and thinness in men.
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