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Energy intake in pregnant women carrying boys or girls

BMJ 2003; 327 doi: (Published 11 September 2003) Cite this as: BMJ 2003;327:622

Authors' reply

  1. Rulla M Tamimi, doctoral student,
  2. Dimitrios Trichopoulos, professor (,
  3. Pagona Lagiou, assistant professor,
  4. Lorelei A Mucci, postdoctoral fellow,
  5. Hans-Olov Adami, professor,
  6. Chung-Cheng Hsieh, professor
  1. Department of Epidemiology, Harvard School of Public Health, Boston, MA 02115, USA
  2. Department of Hygiene and Epidemiology, School of Medicine, University of Athens, GR-11527, Athens, Greece
  3. Department of Medical Epidemiology, Karolinska Institutet, Stockholm, SE-171 77, Sweden
  4. University of Massachusetts Cancer Center, Worcester, MA 01655, USA

    EDITOR—Shay's suggestions are worth considering. It is unfortunate that we did not have information on maternal knowledge about fetal sex. However, since our study included educated American women in Boston in the 1990s, a psychosocial interpretation seems less likely than a biological one.

    Langley-Evans and Langley-Evans point out that …

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