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. 2022 Nov 2;22(1):808.
doi: 10.1186/s12884-022-05151-7.

Secundiparas following a failed vacuum delivery-factors associated with a successful vaginal delivery: a historical prospective cohort

Orna Reichman  1 , Zvi Ehrlich  2 , Ramy Suday  1 , Hen Sela  1 , Gila Gold  1 , Arnon Samueloff  1 , Sorina Grisaru-Granovsky  1
Affiliations

Secundiparas following a failed vacuum delivery-factors associated with a successful vaginal delivery: a historical prospective cohort

Orna Reichman et al. BMC Pregnancy Childbirth. .

Abstract

Background: Few studies have focused on the delivery subsequent to a failed vacuum delivery (failed-VD) in secundiparas. The objective of the current study was to examine the factors associated with a vaginal delivery following a failed-VD.

Methods: An historical prospective cohort. Obstetric characteristics of secundiparas who underwent a planned caesarean delivery (CD) were compared to those who elected a trial of labour (TOLAC) at single medical-centre, throughout 2006-2019. The latter were further analysed to study for factures associated with successful vaginal birth (VBAC).

Results: Among the 115 secundiparas included, 89 (77%) underwent TOLAC. Compared to women who underwent an elective CD, those who underwent TOLAC were younger by a mean of 4 years, were more likely to have conceived spontaneously, and had a more advanced gestation by a mean of 10 days. VBAC was achieved in 62 women (70%). New-borns of women with VBAC had in average a lower birth weight compared to those with failed TOLAC, (-)195 g ± 396 g versus ( +)197 g ± 454 g respectively, P < 0.01. Having a higher neonatal birthweight at P2 by increments of 500 g, 400 g or 300 g was associated with a failed TOLAC; OR of 9.7 (95%CI; 2.3, 40.0), 11.5 (95%CI; 2.8, 46.7) and 4.5 (95%CI; 1.4, 13.9), respectively.

Conclusions: Among secundiparas with a previous CD due to a failed-VD, the absolute difference of neonatal BW was found to be significantly associated with achieving VBAC.

Keywords: Birthweight; Failed vacuum-delivery; TOLAC; VBAC.

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Conflict of interest statement

The Authors declare no competing interests.

Figures

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Fig. 1
Flow chart of study population
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