Objective To explore the clinical effect of different continuous usage time of oxytocin in the induced labor of primipara with oligoamnios. Methods A total of 200 full⁃term pregnancy primipara with oligoamnios receiving a planned delivery were selected as the research subjects, based on the adoption of cervical balloon, they were assigned to group A (using oxytocin continuously) or group B (stop of using oxytocin after entering the active phase) according to continuous usage time of oxytocin, with 100 cases in each group. Effect of promoting cervical ripening, delivery method, stage of labor, neonatal Apgar score after 1 minute of birth, and the occurrence of maternal and neonatal complications were compared between the two groups. Results The second stage of labor and the total duration of labor in group B were longer than those in group A, and the incidence rates of postpartum hemorrhage and uterine over⁃contraction were lower than those in group A (P<0.05). There was no statistically significant difference in the effective rate of promoting cervical ripening, Bishop score, the first stage of labor, delivery mode, neonatal Apgar score after 1 minute of birth, and the incidence rates of puerperal infection, birth canal lacunae, fetal distress and neonatal asphyxia between the two groups (P>0.05). Conclusion For the induced labor in full⁃term primipara with oligoamnios, the used strategy of cervical balloon combined with oxytocin can be adjusted flexible. When entering the active stage of labor, stopping oxytocin at the right time will not have a significant effect on the effect of induced labor and cervical maturity, but will help to decrease the incidence rates of postpartum hemorrhage and uterine over⁃contraction and other complications, promote natural childbirth, and ensure safety of mother and child.

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