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Research Article

Antibiotics for women with prelabour rupture of membranes at term, undergoing induction of labour after 12 hours – A randomized controlled trial

Authors:

S N M P K Gunathilaka ,

Hervey Bay Hospital, AU
About S N M P K
Senior Registrar, Obstetrics and Gynaecology,
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D P G G M Prasanga,

WH Sunshine Hospital, AU
About D P G G M
Senior Registrar, Obstetrics & Gynaecology
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A Karunananda

Teaching Hospital, Peradeniya, LK
About A
Consultant Obstetrician & Gynaecologist
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Abstract

Background: Evidence for the benefits of antibiotics in prelabour rupture of membranes (PROM) at term is limited.
Aim: To evaluate the effectiveness of Cefuroxime in mothers with PROM at term undergoing induction of labour after 12 hours, in reducing feto-maternal and neonatal infections compared to a group without antibiotics.
Methods: We conducted a single centre randomized controlled trial involving 118 participants presented to professorial Obstetric unit at Teaching Hospital Peradeniya, Sri Lanka. Women with live singleton pregnancies at term (37-42 weeks of gestation) with PROM for less than 12 hours without uterine activity on admission were recruited. Participants were randomly allocated to two groups, one with antibiotic coverage (Cefuroxime) and the other without. All mothers were induced with oxytocin, if labour was not started spontaneously by 12 hours of PROM. Primary study outcomes were development of chorioamnionitis, postpartum endometritis and neonatal infection.
Results: One mother in the intervention arm (n=60) and two in the control arm (n=58) developed chorioamnionitis. There were no cases of post-partum endometritis in the intervention arm, but two were noted in the control arm. One neonate in the intervention arm and three in the control arm had sepsis. None of these three outcome measures; chorioamnionitis (OR-0.5, 95% CI 0-5.3), neonatal sepsis (OR-0.3, 95% CI 0.0-3.0) and post-partum endometritis (OR - 0.2, 95% CI 0.0-3.9) showed any significant difference between the two groups. Post-partum sepsis was not reported in both arms. Altogether, there was no statistically significant difference in maternal infection related morbidities in the intervention (n=60, 1.66%) or the control group (n=58, 6.89%) (OR-0.3, 95% CI 0.0-2.2).
Conclusions: Use of antibiotics in mothers with term PROM does not provide any significant effect on any of its outcome measures with induction of labour after 12 hours of membrane rupture, particularly in terms of maternal and neonatal infection related morbidities.

How to Cite: Gunathilaka, S.N.M.P.K., Prasanga, D.P.G.G.M. and Karunananda, A., 2020. Antibiotics for women with prelabour rupture of membranes at term, undergoing induction of labour after 12 hours – A randomized controlled trial. Sri Lanka Journal of Obstetrics and Gynaecology, 42(1), pp.12–20. DOI: http://doi.org/10.4038/sljog.v42i1.7927
Published on 02 Jun 2020.
Peer Reviewed

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