Need some tips

I wish not to go into labor on my 37th week. I chose normal procedure but my gynae advised me she wont be available for a week and would only be back on my 38th. She does have a backup but wont perform the operation on my chosen hospital.

Anyway, I know there are slim chances that baby might say "hi" on week 37. But just to play safe, are there things to do or not to do to increase the chances to baby coming out on a later week without having to choose caesarean?

Thanks!