Answer: Hi.. Dear it is not necessary, if you want, you can.
Also, no one can assure you till the end whether you will have a normal or a cesarean delivery from before hand. However, you can climb stairs and do squats as well, approximately 20 reps in a day. But, I can give a general advice, which is common for all expecting mothers. However, you need to take approval from your gynaecologist, before doing these exercises, because she is aware of your case.