Open AccessThe need for epidural analgesia is related to birthweight – a population‐based register study
Author(s) -
EKÉUS CECILIA,
HJERN ANDERS,
HJELMSTEDT ANNA
Publication year - 2009
Publication title -
acta obstetricia et gynecologica scandinavica
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 1.401
H-Index - 102
eISSN - 1600-0412
pISSN - 0001-6349
DOI - 10.1080/00016340902763236
Subject(s) - medicine , population , singleton , obstetrics , vaginal delivery , pediatrics , birth weight , pregnancy , body mass index , genetics , environmental health , pathology , biology
Objective . To investigate the relation between use of epidural analgesia (EDA) and maternal and fetal characteristics. Design . Population‐based register study. Setting . Nationwide study in Sweden. Population . All 106,775 primiparous women who in 2002–2005 delivered a singleton infant vaginally at term. Methods . Register study with data from the Medical Birth Registry and the Swedish Register of Education. Main outcome measure . Use of EDA during vaginal delivery. Results . A total of 47,810 women (45%) received EDA during labor. EDA was used more often in women who were either young or short, had a high body mass index or a short education, or gave birth to an infant with high birthweight. After adjustment, the positive correlation with birthweight persisted. The use of EDA was twice as high in women with infant birthweight >4,500 g, 60% higher in those with infants weighing between 4,000 and 4,500 g and 25% lower when infants weighed <3,000 g, when compared to those with newborns weighing between 3,000 and 3,500 g. Conclusion . The woman's need for EDA is strongly related to birthweight. Prolonged duration of labor and instrumental delivery usually ascribed to EDA may be due to large infants.