Journal of Clinical Gynecology and Obstetrics, ISSN 1927-1271 print, 1927-128X online, Open Access
Article copyright, the authors; Journal compilation copyright, J Clin Gynecol Obstet and Elmer Press Inc
Journal website https://jcgo.elmerpub.com

Short Communication

Volume 14, Number 3, October 2025, pages 91-95


Intrapartum Terbutaline Use and Cesarean Delivery for Labor Dystocia

Tables

↓  Table 1. Baseline Characteristics
 
No terbutaline (n = 683) Received terbutaline (n = 161) P-value
All data presented as n (%) unless otherwise noted. aMedian (IQR). IOL: induction of labor; IQR: interquartile range; NRFHT: non-reassuring fetal heart tracing.
Agea 28.2 (23.8 - 33.2) 27.9 (22.6 - 32.5) 0.24
Body mass index (kg/m2)a 32.7 (28.1 - 37.6) 33.1 (29.2 - 39.0) 0.09
Nulliparous 423 (61.9) 112 (69.6) 0.07
Race 0.59
  White 138 (20.2) 27 (16.8)
  Black 488 (71.4) 121 (75.2)
  Other 57 (8.3) 13 (8.1)
Ethnicity 0.48
  Non-Hispanic 661 (96.8) 154 (95.7)
  Hispanic 22 (3.2) 7 (4.3)
Gestational or pre-gestational diabetes 38 (5.5) 12 (7.4) 0.35
Chronic hypertension 53 (7.8) 6 (3.7) 0.07
Pregnancy related hypertension 228 (32.9) 58 (35.8) 0.48
Indication for IOL 0.65
  Post-dates 105 (15.4) 24 (14.9)
  Maternal indication 190 (27.8) 45 (28.0)
  Fetal indication 306 (44.8) 78 (48.4)
  Elective/other 82 (12.0) 14 (8.7)
Gestational age at deliverya 39.3 (38.1 - 40.6) 39.4 (38.4 - 40.6) 0.52
Initial cervical dilationa 1.0 (1.0 - 1.5) 1.0 (0.5 - 1.5) <0.01
Initial Bishop score 3 (2, 5) 3 (2, 5) 0.08

 

↓  Table 2. Delivery Outcomes
 
No terbutaline (n = 683) Received terbutaline (n = 161) P-value
All data presented as n (%) unless otherwise noted. aMedian (IQR). bP-value among doses 0.31. cTime from initiation of induction to delivery of the neonate regardless of ultimate mode of delivery. IQR: interquartile range; NRFHT: non-reassuring fetal heart tracing.
Cesarean delivery 162 (24) 82 (51) < 0.001
Cesarean for NRFHT 29 (4.2) 42 (26.1) < 0.001
Cesarean for labor dystocia 133 (19.5) 40 (24.8) 0.13
Number of doses of terbutaline - 1 dose: 21 (22.3)
2 doses: 13 (26.5)
> 3 doses: 6 (33.3)b
0.31
Latent phase (h)a 10.4 (7.2 - 15.1) 11.8 (7.9 - 17.7) 0.02
Active phase (h)a 2.3 (0.5 - 5.2) 2.5 (0.0 - 5.9) 0.66
Second stage (h)a 0.5 (0.2 - 1.3) 0.6 (0.2 - 1.3) 0.47
Length of labor (h)a, c 16.2 (10.8 - 23.2) 18.3 (14.1 - 25.8) < 0.01