Outcome of Concurrent Versus Sequential Method of Induction of Labour in Term Pregnancy

Induced; Birth

Vaginal delivery, Sequential induction, Cervical ripening, Induction of labor

This randomized controlled trial will compare two methods of induction of labour in women with term pregnancy: concurrent use of a Foley catheter and PGE2 vaginal pessary versus sequential use of the two methods. The study will assess whether using both methods concurrently is more effective and safe than using them sequentially. The primary focus is the rate of vaginal delivery within 24 hours after initiation of induction. Participants will be women with term pregnancy (37-42 weeks) admitted for induction of labour without significant comorbidities.

Induction of labour is commonly performed when continuation of pregnancy is considered less beneficial than delivery. This randomized controlled trial will compare the effectiveness and safety of two approaches to cervical ripening and induction of labour in women with term pregnancy. Eligible participants will have a gestational age of 37-42 weeks and will be admitted to the hospital for induction of labour without significant comorbidities. Gestational age will be confirmed using a dating scan or last menstrual period, and baseline fetal monitoring will be performed using cardiotocography (CTG) before induction. Participants will be randomly allocated to one of two treatment groups. In the concurrent group, a PGE2 vaginal pessary and a Foley catheter will be inserted concurrently. The Foley catheter balloon will be inflated with 30 mL of normal saline. In the sequential group, the Foley catheter will be inserted first, followed by insertion of the PGE2 vaginal pessary 12 hours later. The study will primarily assess the rate of vaginal delivery within 24 hours of initiation of induction. The study will also assess the overall effectiveness and safety of the two induction approaches, including the induction-to-delivery interval and relevant maternal and fetal complications. Potential complications associated with induction of labour include failure of induction, uterine hyperstimulation, fetal distress or abnormal CTG, meconium-stained liquor, postpartum haemorrhage, uterine rupture, and chorioamnionitis. Participants will be continuously monitored during the induction process so that appropriate clinical management can be provided if complications occur. The findings of this study may contribute to the development of safe, effective, and patient-centred induction-of-labour protocols, particularly in resource-constrained healthcare settings.

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