Sites of cord insertion and delayed of the third stage of labor in single spontaneous delivery: a retrospective cohort study
Abstract
OBJECTIVE
To identify the association between sites of cord insertion and delayed of the third stage of labor in spontaneous delivery.
METHODS
We conducted a retrospective cohort study comparing duration of the third stage of labor between central and non-central cord insertion. The medical records of women admitted with singleton spontaneous delivery from July 2014 to December 2015 at Khon Kaen Hospital Thailand were reviewed for site of cord insertion and other variables. The primary outcome was delayed the third stage of labor. The secondary outcomes were postpartum hemorrhage, fetal sex, fetal birth weight, APGAR score, low placental weight, manual removal of the placenta and placental curettage.
RESULTS
A total of 1697 pregnant women with singleton spontaneous delivery were reviewed (296 in the central cord insertion group and 1401 in the non-central cord insertion group). There was no difference between the two groups in relation to delayed the third stage of labor; 23 women (7.4%) in the former group and 76 women (5.4%) in the latter group (adjusted odds ratio [AOR], 1.41; 95% confidence interval [CI], 0.86 to 2.34; P=0.178). There was also no difference between the two groups regarding rate of low birth weight of the infants (5.4% vs. 4.8%;AOR, 1.17; 95% CI, 0.66 to 2.09; P=0.594).
CONCLUSION
In women with singleton spontaneous delivery, we found no significant difference in delayed the third stage of labor between central cord and non-central cord insertion.
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