Induction of labor compared to expectant management in low-risk women and associated perinatal outcomes

被引:62
作者
Cheng, Yvonne W. [1 ]
Kaimal, Anjali J. [2 ]
Snowden, Jonathan M. [3 ]
Nicholson, James M. [4 ]
Caughey, Aaron B. [3 ]
机构
[1] Univ Calif San Francisco, Sch Med, Dept Obstet Gynecol & Reprod Med, Div Maternal Fetal Med, San Francisco, CA 94143 USA
[2] Massachusetts Gen Hosp, Dept Obstet & Gynecol, Div Maternal Fetal Med, Boston, MA 02114 USA
[3] Oregon Hlth & Sci Univ, Dept Obstet & Gynecol, Portland, OR 97201 USA
[4] Univ Penn, Sch Med, Dept Family & Community Med, Philadelphia, PA 19104 USA
基金
美国国家卫生研究院;
关键词
cesarean; induction; neonatal outcomes; CESAREAN DELIVERY; NULLIPAROUS WOMEN; POSTTERM PREGNANCY; TERM;
D O I
10.1016/j.ajog.2012.09.019
中图分类号
R71 [妇产科学];
学科分类号
100211 ;
摘要
OBJECTIVE: We sought to examine the association of labor induction and perinatal outcomes. STUDY DESIGN: This was a retrospective cohort study of low-risk nulliparous women with term, live births. Women who had induction at a given gestational age (eg, 39 weeks) were compared to delivery at a later gestation (eg, 40, 41, or 42 weeks). RESULTS: Compared to delivery at a later gestational age, those induced at 39 weeks had a lower risk of cesarean (adjusted odds ratio [aOR], 0.90; 95% confidence interval [CI], 0.88-0.91) and labor dystocia (aOR, 0.88; 95% CI, 0.84-0.94). Their neonates had lowered risk of having 5-minute Apgar <7 (aOR, 0.81; 95% CI, 0.72-0.92), meconium aspiration syndrome (aOR, 0.30; 95% CI, 0.19-0.48), and admission to neonatal intensive care unit (aOR, 0.87; 95% CI, 0.78-0.97). Similar findings were seen for women who were induced at 40 weeks compared to delivery later. CONCLUSION: Induction of labor in low-risk women at term is not associated with increased risk of cesarean delivery compared to delivery later.
引用
收藏
页码:502.e1 / 502.e8
页数:8
相关论文
共 26 条
[1]  
ACOG Committee on Practice Bulletins-Obstetrics, 2004, Obstet Gynecol, V104, P639
[2]  
[Anonymous], 2009, Obsetrics Gynecology, V114, P386, DOI [DOI 10.1097/AOG.0B013E3181B48EF5, 10.1097/AOG.0b013e3181b48ef5]
[3]   Induction of labor and cesarean delivery by gestational age [J].
Caughey, Aaron B. ;
Nicholson, James M. ;
Cheng, Yvonne W. ;
Lyell, Deirdre J. ;
Washington, A. Eugene .
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2006, 195 (03) :700-705
[4]  
Caughey Aaron B, 2009, Evid Rep Technol Assess (Full Rep), P1
[5]   Neonatal complications of term pregnancy: Rates by gestational age increase in a continuous, not threshold, fashion [J].
Caughey, AB ;
Washington, AE ;
Laros, RK .
AMERICAN JOURNAL OF OBSTETRICS AND GYNECOLOGY, 2005, 192 (01) :185-190
[6]   Postterm with favorable cervix: is induction necessary? [J].
Chanrachakul, B ;
Herabutya, Y .
EUROPEAN JOURNAL OF OBSTETRICS GYNECOLOGY AND REPRODUCTIVE BIOLOGY, 2003, 106 (02) :154-157
[7]   A comparison of LMP-based and ultrasound-based estimates of gestational age using linked California livebirth and prenatal screening records [J].
Dietz, Patricia M. ;
England, Lucinda J. ;
Callaghan, William M. ;
Pearl, Michelle ;
Wier, Megan L. ;
Kharrazi, Martin .
PAEDIATRIC AND PERINATAL EPIDEMIOLOGY, 2007, 21 :62-71
[8]   Term Labor Induction Compared With Expectant Management [J].
Glantz, J. Christopher .
OBSTETRICS AND GYNECOLOGY, 2010, 115 (01) :70-76
[9]   Induction of labour for improving birth outcomes for women at or beyond term [J].
Guelmezoglu, A. M. ;
Crowther, C. A. ;
Middleton, P. .
COCHRANE DATABASE OF SYSTEMATIC REVIEWS, 2006, (04)
[10]   Postterm pregnancy: Putting the merits of a policy of induction of labor into perspective [J].
Hannah, ME ;
Huh, C ;
Hewson, SA ;
Hannah, WJ .
BIRTH-ISSUES IN PERINATAL CARE, 1996, 23 (01) :13-19