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Letters Umbilical cord pH and outcomes

Might measuring cord pH in itself affect outcome?

BMJ 2010; 341 doi: (Published 19 August 2010) Cite this as: BMJ 2010;341:c4440
  1. Victoria Asfour, trainee in obstetrics and gynaecology1,
  2. Susan Bewley, consultant obstetrician1
  1. 1King’s Health Partners, c/o St Thomas’ Hospital, London SE1 7NH
  1. victoria.asfour{at}

    Malin and colleagues confirmed the expected association between low arterial cord pH and poor outcome.1 However, caution should be applied before encouraging routine blood gas measurement—usually performed after premature cord clamping, <30 s after birth.

    There was no indication of cord clamping and neonatal resuscitation practices used in the studies which might plausibly adversely affect, or …

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