[Risk of neonatal acidosis in preterm induction of labor for fetal growth restriction].

If a small for gestational age (SGA) foetus needs to be delivered because of severity (< 3 A single-centre hospital-based observational study conducted over a period of 17 consecutive years in mothers with a single foetus in cephalic presentation with severe SGA (< 3 Four hundred and thirty-fourfoetuses with severe SGA were included during the period, 140 of whom were born after induction (32.3%). In this group, 66.4 % of women achieved a vaginal birth (66.4% CI95[58.0-74.2]) and the risk of moderate or severe acidosis was doubled compared with the group of foetuses who had undergone a planned caesarean section (7.9% vs 3.1%, OR=2.7 [1.1-6.7]). Neither gestational age nor the degree of growth restriction was significantly related to the risk of caesarean section or to the risk of moderate or severe neonatal acidosis Conclusion: In cases of severe SGA before 37 weeks' gestation, induction of labour allows vaginal delivery in two-thirds of cases. It is accompanied by a doubling of the risk of moderate or severe neonatal acidosis.

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