Growing evidence suggests that elective induction of labor at 39 weeks may lead to more favorable perinatal outcomes compared with the expectant management, however, how to weigh the pros and cons of elective labor induction at 39 weeks, the expectation of spontaneous delivery at 40 or 41 weeks, or delayed labor induction at 40 or 41 weeks on neonatal and maternal outcomes remains a practical challenge in clinical decision-making.