Oral vs Vaginal Misoprostol for Induction of Labor at Term

slowly but maintains a longer presence around the cervix and uterus.These differences influence the timing and intensity of uterine contractions and may impact both effectiveness and side effect profiles.3 Oral administration offers the benefit of easy, noninvasive dosing and greater patient comfort but may be associated with more gastrointestinal side effects such as nausea and diarrhea.Vaginal administration may provide more sustained uterine stimulation but has been linked to a slightly higher risk of excessive uterine activity and local irritation.3,4 Numerous studies have investigated the relative benefits and risks of oral versus vaginal misoprostol for labor induction.Overall, evidence suggests that both routes are effective and have similar outcomes in terms of achieving vaginal delivery within 24 hours and rates of cesarean section.Some studies indicate that vaginal IntroductIonInducing labor is a common practice in obstetrics, carried out to stimulate uterine contractions before spontaneous labor begins, with the goal of achieving safe vaginal delivery when continuing the pregnancy poses risks to the mother or baby.Common reasons for induction include prolonged pregnancy, water breaking without labor starting, high blood pressure disorders, and concerns about fetal growth or well-being.Globally, it is estimated that over 15% of pregnancies require labor induction, highlighting the widespread relevance of this intervention in maternity care. 1 The success of labor induction largely depends on the condition of the cervix at the start of the process.A cervix that is not favorable often leads to a longer induction and higher chances of cesarean delivery.Therefore, medications that help soften and dilate the cervix before labor begins are crucial in improving outcomes.2 Prostaglandins are the agents most commonly used for cervical ripening.Misoprostol, a synthetic prostaglandin E1 analog, has become increasingly popular because of its effectiveness, low cost, and ability to be stored at room temperature-advantages especially important in settings with limited resources.Misoprostol can be administered by various routes, primarily oral and vaginal, each with distinct characteristics in terms of absorption and duration of action. 2 Oral misoprostol is quickly absorbed, leading to a rapid peak in blood concentration, but it is also cleared from the body faster.