One study at the University of North Carolina found that pregnant women who got acupuncture were more likely to go into labor without a medical push. The study included 56 women who were 39.5 to 41 weeks pregnant. Half of the women received three acupuncture sessions, while the other half did not. Seventy percent of the women who received acupuncture went into labor on their own, compared to 50% who received standard care. The women who received acupuncture were also less likely to deliver by cesarean section — 39% compared to 17%. Another Australian research report showed that using acupuncture to stimulate labor in overdue mothers to be had a success rate of 88%.

https://lajollamom.com/pregnancy-acupuncture-labor-induction-childbirth/