What is the best way to induce labor naturally?

38 weeks and my baby seems ready to just push her little head out i feel like there is ripping and stretching down there and all but it seems like shes just having a small issue lol i wanna help. i have tried the eating spicy foods i have done walking i have done swimming i will not do castrol oil because it can make the baby inhail her poop so what else can i try