Letters

Studies exploring health in relation to intrauterine life should look at birth order

BMJ 1997; 314 doi: https://doi.org/10.1136/bmj.314.7091.1416 (Published 10 May 1997) Cite this as: BMJ 1997;314:1416
  1. Michel Odent, Directora,
  2. Junko Tsufino, Research fellowb
  1. a Primal Health Research Centre, London NW3 2NP
  2. b Kwansei Gakuin University, Department of Education, Japan

    Editor—Stephanie J C Taylor and colleagues report a cross sectional study of size at birth and blood pressure.1 We would underline the fact that birth order is not taken into account in most studies exploring health in …

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