I need some advice on enducing labor?

i am 37 weeks prregnant and my dr told me that it is ok for me to try and find natural ways to enduce my labor but he can not put me on pitocen to enduce me because i am not far enough along he says my baby already weighs about 7 pounds and is between 18 am 20 inches long i am a verry short and petite woman and he told me that if i go into labor that he will do my c section early and that if i go all the way to my due date that i could have a 9 pound baby and even thugh i have to have a c section i have really bad hips and rally dont think my body can handel a 9 pound baby i have been walking for an hour an a half evry day and i have been takeing this natural suplament called black cohosh extrat but i jst sarted takeing it today what else can i do to help get my labor startd i know that it is better to let it happen naturally but i am in constant pain an cant handel it anymore so please any sugestions will help and if it is something u have dunn and it worked for u tell me everything u did thankyou