Fetal activin A: associations with labour, umbilical artery pH and neonatal outcome.


OBJECTIVE To define the ontogeny of umbilical artery activin A at term and to evaluate activin A as a potential marker of perinatal hypoxia. DESIGN A cohort study. SETTING A university teaching hospital delivery suite. POPULATION A convenience sample of 141 term pregnancies. METHODS At delivery, umbilical artery and vein bloods were collected for… (More)


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