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J Matern Fetal Neonatal Med. 2019 May;32(10):1721-1727. doi: 10.1080/14767058.2017.1416351. Epub 2017 Dec 21.

Vaginal delivery among women who underwent labor induction with vaginal dinoprostone (PGE2) insert: a retrospective study of 1656 women in China.

Author information

1
a Department of Obstetric , Hubei Maternal and Child Health Hospital , Hongshan District, Wuhan , China.

Abstract

OBJECTIVE:

This study aimed to qualify relevant factors for vaginal delivery among women who underwent labor induction with vaginal dinoprostone (PGE2) insert in a Chinese tertiary maternity hospital.

MATERIAL AND METHODS:

A retrospective study was conducted in Hubei Maternal and Child Health Hospital. A total of 1656 pregnancies that underwent labor induction with vaginal dinoprostone insert between January and August 2016 were finally included in this study. Data were analyzed using univariate and multivariable regression modeling.

RESULTS:

Of 1656 women with PGE2-induced labor at term, 396 (23.91%) gave birth by cesarean section, 1260 (76.09%) had a vaginal delivery among which 921 (55.61%) delivered vaginally within 24 h. Multivariable regression analysis showed that maternal age (p < .001, OR = 0.89, 95%CI 0.85-0.93), parity (multiparous versus nulliparous, p < .001, OR = 8.74, 95%CI 4.36-17.50), baseline fetal heart rate (p = .009, OR = 0.98, 95%CI 0.96-0.99), and birth weight (p < .001, OR = 0.37, 95%CI 0.28-0.51) were significantly correlated with vaginal delivery. Moreover, body mass index (p < .001, OR = 1.11, 95%CI 1.05-1.19), parity (multiparous versus nulliparous, p < .001, OR = 6.57, 95%CI 2.37-18.23), baseline fetal heart rate (p = .004, OR = 0.96, 95%CI 0.94-0.99), and birth weight (p < .001, OR = 0.34, 95%CI 0.21-0.54) were independent predictors of vaginal delivery within 24-h.

CONCLUSIONS:

Our findings suggested a vaginal delivery rate of 76.09% when dinoprostone vaginal insert was used for labor induction, which was markedly higher than the overall annual vaginal delivery rate of 65.1% in China during 2014. Maternal age, parity, baseline fetal heart rate, and birth weight were significant factors for vaginal delivery. This study enables us to better understand the efficiency of dinoprostone and the potential predictors of vaginal delivery in dinoprostone-induced labor, which may be helpful to guide the clinical use of dinoprostone and therefore provide better service clinically.

KEYWORDS:

Dinoprostone vaginal (PGE2) insert; induction of labor; vaginal delivery

PMID:
29268652
DOI:
10.1080/14767058.2017.1416351
[Indexed for MEDLINE]

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