• Torre L Halscott, Uma M Reddy, Helain J Landy, Patrick S Ramsey, Sara N Iqbal, Chun-Chih Huang, and Katherine L Grantz.
• Departments of Obstetrics and Gynecology, MedStar Washington Hospital Center and MedStar Georgetown University Hospital, Washington, DC, and the University of Texas Health Sciences Center at San Antonio, San Antonio, Texas; and the Department of Biostatistics and Epidemiology, MedStar Health Research Institute, Hyattsville, Maryland.
• Obstet Gynecol. 2015 Dec 1; 126 (6): 1265-1272.

ObjectiveTo evaluate maternal and neonatal outcomes by attempted mode of operative delivery from a low station in the second stage of labor.MethodsRetrospective study of 2,518 women carrying singleton fetuses at 37 weeks of gestation or greater who underwent attempted forceps-assisted delivery, attempted vacuum-assisted vaginal delivery, or cesarean delivery from a low station in the second stage of labor. Primary outcomes were stratified by parity and included a maternal adverse outcome composite (postpartum hemorrhage, transfusion, endometritis, peripartum hysterectomy, or intensive care unit admission) and a neonatal adverse outcome composite (5-minute Apgar score less than 4, respiratory morbidity, neonatal intensive care unit admission, shoulder dystocia, birth trauma, or sepsis).ResultsIn nulliparous patients, the maternal adverse composite was not significantly different between women who underwent attempted forceps (12.1% compared with 10.8%, adjusted odds ratio [OR] 0.77, 95% confidence interval [CI] 0.40-1.34) or vacuum (8.3% compared with 10.8%, adjusted OR 0.68, 95% CI 0.40-1.16) delivery compared with cesarean delivery. Among parous women, the maternal adverse composite was not significantly different with attempted forceps (10.7% compared with 12.5%, adjusted OR 0.40, 95% CI 0.09-1.71) or vacuum (11.3% compared with 12.5%, adjusted OR 0.44, 95% CI 0.11-1.72) compared with cesarean delivery. Compared with neonates delivered by cesarean, the neonatal adverse composite was significantly lower among neonates born to nulliparous women who underwent attempted forceps (9.4% compared with 16.7%, adjusted OR 0.44, 95% CI 0.27-0.72) but not among those who underwent vacuum delivery (11.9% compared with 16.7%, adjusted OR 0.68, 95% CI 0.44-1.04). Among parous women, the neonatal adverse composite was not significantly different after attempted forceps (4.1% compared with 12.5%, adjusted OR 0.28, 95% CI 0.06-1.35) or vacuum (12.5% compared with 12.5%, adjusted OR 1.03, 95% CI 0.28-3.87) compared with cesarean delivery.ConclusionA trial of forceps delivery from a low station compared with cesarean delivery was associated with decreased neonatal morbidity among neonates born to nulliparous women.Level Of EvidenceII.

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