When is the ideal time for a preterm fetus to be delivered?

1The GRIT study group. Infant wellbeing at 2 years of age in the Growth Restriction Intervention Trial (GRIT): multicentred randomized controlled trial. Lancet 2004; 364:513-20.

2GRIT Study Group. A randomized trial of timed delivery for the compromised preterm fetus: short term outcomes and Bayesian interpretation. BJOG 2003; 110:27-32.

3EPICure Study Group. Neurologic and developmental disability after extremely preterm birth. N EnglJ Med 2000; 343(6):429-30.