The journal of maternal-fetal & neonatal medicine : the official journal of the European Association of Perinatal Medicine, the Federation of Asia and Oceania Perinatal Societies, the International Society of Perinatal Obstetricians · 2017
Perinatal outcome of pregnancies complicated with extreme birth weights at term.
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Chavkin Uri, Wainstock Tamar, Sheiner Eyal, Sergienko Ruslan, Walfisch Asnat
Аннотация
OBJECTIVE: The objective of this study is to investigate whether an abnormal birthweight at term, either small for gestational age (SGA, < 5th centile for gestational age) or large for gestational age (LGA, > 95th centile for gestational age), is a risk factor for perinatal complications as compared with birthweight appropriate for gestational age (AGA).
METHODS: A population-based retrospective cohort analysis of all singleton pregnancies delivered between 1991 and 2014 at Soroka Medical Center. Congenital malformations and multiple pregnancies were excluded. A multivariable generalized estimating equation regression model was used to control for maternal clusters and other confounders.
RESULTS: During the study period, 228,242 births met the inclusion criteria, of them 91% were AGA (n = 207,652), 4.7% SGA, and 4.3% LGA. SGA significantly increased the risk for perinatal mortality (aOR 5.6, 95%CI 4.5-6.8) and low 5-min Apgar scores (aOR 2.2, 95%CI 2.0-2.4), while LGA did not. SGA and LGA were both significant risk factors for cesarean delivery. LGA was significantly associated with shoulder dystocia and post-partum hemorrhage (aOR =13.6, 95%CI 10.9-17.0, and aOR 1.7, 95%CI 1.2-2.6, respectively).
CONCLUSIONS: Extreme birthweights at term are significantly associated with adverse maternal and neonatal outcomes. As opposed to SGA, LGA is not independently associated with perinatal mortality.
METHODS: A population-based retrospective cohort analysis of all singleton pregnancies delivered between 1991 and 2014 at Soroka Medical Center. Congenital malformations and multiple pregnancies were excluded. A multivariable generalized estimating equation regression model was used to control for maternal clusters and other confounders.
RESULTS: During the study period, 228,242 births met the inclusion criteria, of them 91% were AGA (n = 207,652), 4.7% SGA, and 4.3% LGA. SGA significantly increased the risk for perinatal mortality (aOR 5.6, 95%CI 4.5-6.8) and low 5-min Apgar scores (aOR 2.2, 95%CI 2.0-2.4), while LGA did not. SGA and LGA were both significant risk factors for cesarean delivery. LGA was significantly associated with shoulder dystocia and post-partum hemorrhage (aOR =13.6, 95%CI 10.9-17.0, and aOR 1.7, 95%CI 1.2-2.6, respectively).
CONCLUSIONS: Extreme birthweights at term are significantly associated with adverse maternal and neonatal outcomes. As opposed to SGA, LGA is not independently associated with perinatal mortality.