Journal of perinatology : official journal of the California Perinatal Association · 2014
The effect of obstetric practice change to reduce early term delivery on perinatal outcome.
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Little S E, Robinson J N, Puopolo K M, Mukhopadhyay S, Wilkins-Haug L E, Acker D A, Zera C A
Аннотация
OBJECTIVE: To investigate whether the national emphasis on attaining 39 weeks gestation has altered obstetric practice, and if so whether this has affected perinatal morbidity.
STUDY DESIGN: We examined trends in gestational age, neonatal morbidity, maternal complications and stillbirth for a retrospective cohort of singleton, live births between 37+0 and 39+6 weeks of gestation over a 5-year period at a single tertiary care center.
RESULT: There were 21 343 eligible deliveries. The proportion of deliveries in the early term (<39 weeks) decreased from 47.8 to 40.2% (P<0.01). The reduction was most pronounced for elective inductions (27.5 to 8.0%; P<0.01) and scheduled cesareans (56.9 to 24.9%; P<0.01), although a similar trend was seen for nonelective inductions (51.2 to 47.9%; P=0.03). In multivariable analysis, there was a 10% decreased odds of early term delivery per year (P<0.01). There were no changes in the rates of neonatal intensive care unit (NICU) evaluation (29.8 to 28.1%; P=0.11), pre-eclampsia (7.6 to 8.5%; P=0.06) or stillbirth (11.5 to 14.4 per 10 000; P=0.55).
CONCLUSION: A 10% annual decline in the odds of early term delivery was not accompanied by significant changes in perinatal morbidity.
STUDY DESIGN: We examined trends in gestational age, neonatal morbidity, maternal complications and stillbirth for a retrospective cohort of singleton, live births between 37+0 and 39+6 weeks of gestation over a 5-year period at a single tertiary care center.
RESULT: There were 21 343 eligible deliveries. The proportion of deliveries in the early term (<39 weeks) decreased from 47.8 to 40.2% (P<0.01). The reduction was most pronounced for elective inductions (27.5 to 8.0%; P<0.01) and scheduled cesareans (56.9 to 24.9%; P<0.01), although a similar trend was seen for nonelective inductions (51.2 to 47.9%; P=0.03). In multivariable analysis, there was a 10% decreased odds of early term delivery per year (P<0.01). There were no changes in the rates of neonatal intensive care unit (NICU) evaluation (29.8 to 28.1%; P=0.11), pre-eclampsia (7.6 to 8.5%; P=0.06) or stillbirth (11.5 to 14.4 per 10 000; P=0.55).
CONCLUSION: A 10% annual decline in the odds of early term delivery was not accompanied by significant changes in perinatal morbidity.