Sir Am.pragnent My Last Mensuration Date Is 1.6.15 Till Date

Sir am.pragnent my last mensuration date is 1.6.15 till date i have not diliver a baby .i am mother of two baby both are normal dilivery any risk for delay in 3rd dilivery while i have met my docter on 15 oct .15 dr said is normal inside will diliver vety soon but till date i have not deliver pls give suggetion .what should i do i wait or i go for a cesarian.