Like any good plan, it will last to about 7cm.
The first was induced and epidural.
Second was natural.
Good luck!
P.s. she will want the epidural. If you say no, plan or no plan, the nurses will look at you like a pack of feral cats....ask me how I know.
(I just drove real slow for the second...
Looks like Tibicen Pruinosus so far.
http://www.123rf.com/photo_7701467_tibicen-pruinosus-silver-bellied-cicada-isolated-on-white-background.html
My bug friend says it looks like an annual cicada.