Please help! Pregnancy pain 38 weeks!?

I have a cracked tailbone and have had mild discomfort and pain the last two months. Now the baby has droped and is puting severe pressure and pain on my tailbone. Im in so much pain, i cant sit for long, I cant sit on the toilet and Im not sleeping, should I ask my doctor to Induce me so I dont have to suffer anymore or is that being selfish. i dont know what to do.